As the tent city on the University of California, Davis, tripled in size, Chancellor Linda P.B. Katehi insisted Tuesday that the school's police department defied her orders when it used force against students in last week's pepper-spray fiasco. 
 
 "We told the police to remove the tents or the equipment," Katehi said in an interview with The Bee in her office inside the administration building, which remains locked down to the public. 
 
 "We told them very specifically to do it peacefully, and if there were too many of them, not to do it, if the students were aggressive, not to do it. And then we told them we also do not want to have another Berkeley." 
 
 In her most expansive comments since Friday's attempt to remove the tents spiraled into the pepper-spraying of students, Katehi said she still does not know who decided to use pepper spray and was stunned when she first saw video clips of it Friday night. 
 
 "It looked horrible, horrific, I would say , " Katehi said. "I can tell you that I woke up Saturday really early in the morning, like 3 a.m., and I felt like it was a disaster on our hands." 
 
 She also said she never would have approved the use of full-scale riot gear by officers sent in to remove the students and that Police Chief Annette Spicuzza was part of an emergency conference call before the incident. 
 
 "We told her that it has to be peaceful, that anything else would not be acceptable," Katehi said one day after Spicuzza was placed on administrative leave along with two officers who used the pepper spray. 
 
 Spicuzza did not respond to a message left at her home Tuesday, but she has previously said the officers used the pepper spray because they were being cut off from other police by the students. Video clips that have surfaced so far do not show that happening. 
 
 Katehi said Spicuzza indicated Saturday that it was Lt. John Pike who decided to use the pepper spray. 
 
 "I believe on Saturday when I spoke with her I said, 'What happened?' " Katehi said. "She tried to explain that it was the decision of Lt. Pike." 
 
 Pike's voice mail has been full since Sunday, and he could not be reached. 
 
 Video clips of the officers spraying students who were sitting peacefully on the ground have been viewed online by millions of people since Friday and resulted in widespread calls for Katehi to resign. 
 
 She has resisted those calls and met with student groups several times Tuesday, including an afternoon session at which she called for all charges against 10 individuals in Friday's incident  nine of them students  to be dropped. 
 
 She also said UC Davis and the UC system would cover all medical expenses incurred by students who were pepper- sprayed. 
 
 The effort last Friday to remove the campers, who had gathered to protest tuition hikes as a part of the growing Occupy Wall Street movement, backfired almost immediately. 
 
 After a Monday rally attended by thousands of students, faculty and others at which Katehi apologized, groups once again began to erect tents on the quad. By Tuesday, there were more than 75 tents, and Katehi said she would seek negotiations to coax them into leaving rather than take renewed police action. 
 
 Meanwhile, she has ordered police to remain ready to help campers if some sort of emergency arises, but to stay out of sight. 
 
 "They are on call, but they are not visible," she said, adding that the school has brought in portable restrooms and is looking into providing facilities for food and drink to maintain a healthy environment. 
 
 Katehi visited the growing encampment at least twice on Tuesday with mixed results. In the morning, she said, she was able to speak with 20 to 30 students and "had a very good discussion." 
 
 She was invited back about 11 a.m. during the group's general assembly. But after she waited quietly for 20 minutes, the students could not agree on whether to deviate from their agenda to allow her to speak and she finally walked away. 
 
 On her way back to her office, Katehi was greeted by a number of students who expressed their support for her and said they do not believe she had approved of officers using force against the students. 
 
 "She was worried about the safety of the students," said Kiran Ashan, a psychology junior. 
 
 "And I just feel that those (campers), some of them are from Occupy Sacramento, they're not even Davis students," Ashan said. "What are they doing on a Davis campus? 
 
 The use of force by campus police at Davis and Berkeley against protesters has resulted in a systemwide review by UC officials, and the Legislature agreed Tuesday to hold hearings on the matter. 
 
 In addition, UC President Mark Yudof announced that he has asked William Bratton, who has headed police forces in Los Angeles, Boston and New York, to conduct an independent review of Friday's incident. 
 
 Katehi said the policies that campuses use to respond to encampments need to be changed as a result of the latest incidents. 
 
 University officials must "recognize that we are a campus of the 21st century, and students have different needs and different expectations of how to express themselves, and yet we have protocols of 30 or 40 years ago," she said. "And we have a police force that has been trained for the incidents we dealt with 20 or 30 years ago." 
 
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  Read more articles by Sam Stanton ||||| A rally is planned at the University of California, Davis to express outrage over the police pepper-spraying of peaceful anti-Wall Street protesters that was captured on video. 
 
 In this Friday, Nov. 18, 2011, photo University of California, Davis Police Lt. John Pike uses pepper spray to move Occupy UC Davis protesters while blocking their exit from the school's quad Friday in... (Associated Press) 
 
 In this Friday, Nov. 18, 2011, photo Occupy University of California, Davis, protesters including David Buscho, far left, react after being pepper sprayed by police who came to remove tents set up on... (Associated Press) 
 
 University of California, Davis, student Mike Fetterman, receives a treatment for pepper spray by UC Davis firefighter Nate Potter, after campus police dismantled an Occupy Wall Street encampment on... (Associated Press) 
 
 In this Friday, Nov. 18, 2011, photo occupy Davis protestors are pepper-sprayed by campus police while blocking their exit from the school's quid, Friday in Davis, Calif. Two University of California,... (Associated Press) 
 
 In this Friday, Nov. 18, 2011, photo occupy protester David Buscho is helped after being pepper sprayed by campus police while blocking their exit from the school's Quad Friday in Davis, Calif. Two University... (Associated Press) 
 
 Organizers say the noontime rally on Monday by faculty and students will include protesters from Occupy Sacramento. 
 
 It comes on the heels of the school's announcement that the UC Davis police chief and two officers have been placed on administrative leave over Friday's pepper spray incident. Video showed an officer dousing the faces of protesters as they passively sat on the ground, arms linked. 
 
 Chancellor Linda Katehi said Sunday she has also asked the Yolo County District Attorney's office to investigate the police department's use of force. Protesters have called for Katehi's resignation, but she has resisted. 
 
 THIS IS A BREAKING NEWS UPDATE. Check back soon for further information. AP's earlier story is below. 
 
 The president of the University of California system said he was "appalled" at images of protesters being doused with pepper spray and plans an assessment of law enforcement procedures on all 10 campuses, as two police officers and the police chief were placed on administrative leave. 
 
 "Free speech is part of the DNA of this university, and non-violent protest has long been central to our history," UC President Mark G. Yudof said in a statement Sunday in response to the spraying of students sitting passively at UC Davis. "It is a value we must protect with vigilance." 
 
 Yudof said it was not his intention to "micromanage our campus police forces," but he said all 10 chancellors would convene soon for a discussion "about how to ensure proportional law enforcement response to non-violent protest." 
 
 Protesters from Occupy Sacramento planned to travel to nearby Davis on Monday for a noon rally in solidarity with the students, the group said in a statement. 
 
 UC Davis said early Monday in a news release that it was necessary to place police Chief Annette Spicuzza on administrative leave to restore trust and calm tensions. The school refused to identify the two officers who were place on administrative leave but one was a veteran of many years on the force and the other "fairly new" to the department, Spicuzza earlier told The Associated Press. She would not elaborate further because of the pending probe. 
 
 Videos posted online of the incident clearly show one riot-gear clad officer dousing the line of protesters with spray as they sit with their arms intertwined. Spicuzza told the AP that the second officer was identified during an intense review of several videos. 
 
 "We really wanted to be diligent in our research, and during our viewing of multiple videos we discovered the second officer," Spicuzza said. "This is the right thing to do." 
 
 Both officers were trained in the use of pepper spray as department policy dictates, and both had been sprayed with it themselves during training, the chief noted. 
 
 Meanwhile, UC Davis Chancellor Linda Katehi said she has been inundated with reaction from alumni, students and faculty and would speed up an investigation that was to have taken three months. 
 
 "I spoke with students this weekend and I feel their outrage," Katehi said in a statement Sunday. 
 
 Katehi also set a 30-day deadline for her school's task force investigating the incident to issue its report. The task force, comprised of students, staff and faculty, will be chosen this week. She earlier had set a 90-day timetable. 
 
 She also plans to meet with demonstrators Monday at their general assembly, said her spokeswoman, Claudia Morain. 
 
 The UC Davis faculty association called for Katehi's resignation, saying in a Saturday letter there had been a "gross failure of leadership." Katehi has resisted calls for her to quit. 
 
 "I am deeply saddened that this happened on our campus, and as chancellor, I take full responsibility for the incident," Katehi said Sunday. "However, I pledge to take the actions needed to ensure that this does not happen again. I feel very sorry for the harm our students were subjected to and I vow to work tirelessly to make the campus a more welcoming and safe place." 
 
 The incident reverberated well beyond the university, with condemnations and defenses of police from elected officials and from the wider public on Facebook and Twitter. 
 
 "On its face, this is an outrageous action for police to methodically pepper spray passive demonstrators who were exercising their right to peacefully protest at UC Davis," Senate President Pro Tem Darrell Steinberg, D-Sacramento, said in a statement Sunday. "Chancellor Katehi needs to immediately investigate, publically explain how this could happen and ensure that those responsible are held accountable." 
 
 The protest Friday was held in support of the overall Occupy Wall Street movement and in solidarity with protesters at the University of California, Berkeley who were jabbed by police with batons on Nov. 9. 
 
 Nine students hit by pepper spray were treated at the scene, two were taken to hospitals and later released, university officials said. Ten people were arrested. 
 
 Meanwhile Sunday, police in San Francisco, about 80 miles south of Davis, arrested six anti-Wall Street protesters and cleared about 12 tents erected in front of the Federal Reserve Bank. 
 
 Across the bay in Oakland, police made no arrests after protesters peacefully left a new encampment set up in defiance of city orders.
– UC Davis continues to try to make amends for its pepper-spray YouTube sensation. The school says it will pick up any medical bills incurred by the students who got doused, along with dropping the misdemeanor charges against them, reports CNN. The university also is setting up the obligatory review panel, as Chancellor Linda Katehi insists that officers defied her orders not to use force, notes the Sacramento Bee. The main officer, involved, meanwhile faces the wrath of Anonymous.