the early hours of the day.

As a precaution, both school districts were placed on lockout status in the morning, meaning no one was allowed to enter or exit the buildings. Inside the schools, officials said, class operated as normal.

Florence schools lifted the lockout status at about 12:30 p.m. As authorities investigated the post, DeLaurentis said, they found that the post's creator at a house. At Florence High School, officers with the Colorado State Patrol and Fremont County Sheriff's Office helped monitor the area, making sure no one entered or exited the building, he said.

There are no other threats at this time, he said, and school is expected to continue as scheduled Thursday with regular police presence.

In Cañon City, the lockout status was lifted, except for Harrison School andMountain View Core Knowledge School because of police activity in the area.

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Cañon City School District Superintendent George Welsh said the district was alerted by the Florence-Penrose School District of the potential threat in the district, which prompted the neighboring schools to move into the status.

High school students originally planned Wednesday to take part in the walkout, organized nationally by students to start a discussion about ending school violence in light of the Feb. 14 shooting in Parkland, Fla. There, a gunman shot and killed 17 students at Marjory Stoneman Douglas High School.

As part of the walkout, CCHS planned, at the request of students, to conduct an evacuation drill at 10 a.m. in a "safe and controlled manner," Principal Bill Summers wrote in a letter to parents.

The high-schoolers planned