An Indiana university was in lockdown late on Friday night after a 'likely prank call' about an armed person near the main administration building, school officials said. Police said they received a phone call from someone saying that they had stabbed their roommate at the university, was armed with a shotgun and threatening to blow up the administration building, according to WTHR. Manchester University had issued a statement advising students at its North Manchester campus, some 36 miles  west of Fort Wayne, to shelter in place. Indiana State Police and a bomb squad responded to the incident, though left after deciding that it should be investigated as a likely prank call. Scroll down for video . Manchester University in Indiana (pictured) was on lockdown late Friday night after a 'likely prank call' about an armed with explosives on campus . 'Barricade yourself in a room, stay away from windows. Be quiet, silence cell. Wait for police or All-Clear,' the school said in a campus alert. 'Armed subject reported near admin building,' the school said on its Twitter account. It has continued reposting the shelter in place warning for hours after the original message and had not given the all clear as of 2am . The person was possibly armed with explosives, according to the university. North Manchester Police, a bomb squad from Fort Wayne and Indiana State Police were all at the scene, according to WANE. 'No injuries have been confirmed,' Manchester University posted on its Facebook page just after 1am. The liberal arts institution, which includes a master's and doctoral program, has about 1,500 students. Its website says that it is the home of the country's first peace studies program. The university (pictured, file photo) to shelter in place as police and a bomb squad were seen arriving at the scene .
Manchester University west of Fort Wayne on lockdown for hours .
Local media reports that man seen may have been armed with explosives .
School tells students to shelter in place as bomb squad arrives .