Police Chief Chris Walsh said officers canvassing the building found two bodies in a third-floor classroom.

Story highlights

3 are dead at two separate, but related crime scenes, according to police

They were killed by "a sharp-edged weapon," though authorities did not elaborate

The suspect "appeared to be completely alone," Casper's police chief says

"This is the worst day of my career," the Casper College president says

CNN  — 

A man fatally injured one person, then burst into a Wyoming college class Friday morning to kill another person and, ultimately, himself, police said.

According to Casper police, “there were no firearms involved in the crime(s), and the (victims’) injuries were caused by a sharp-edged weapon.” It was not immediately clear how the three people – one of whom was a Casper College faculty member – were killed.

Three people were killed Friday in the eastern Wyoming city of Casper, among them the suspect who died of an “apparent suicide,” police said.

Police Chief Chris Walsh did not identify the dead but said they included two males and one female. “One of those deceased is one of those who were committing all the violence,” he said.

Authorities got their first call shortly after 9 a.m. MT (11 a.m. ET) about “a traumatic injury on the campus of Casper College.” Officers arrived within minutes, according to Walsh, and found “multiple victims.”

Casper College subsequently went on lockdown, as did the Natrona County Schools, as authorities tried to ascertain what happened.

As they canvassed the Wold Physical Science Center building, officers found two dead bodies in a third-floor classroom, the police chief said.

Meanwhile, two minutes after that first call, police learned of another “traumatic injury” at a site off-campus. Police are working under the assumption that this death is related to the other two and that the man behind all the violence is dead.

All alerts were called off by early afternoon, at which time Walsh reassured the public “there is no one at large, and there’s no threat of violence.”

The police chief said the suspect was not a current Casper College student, adding that all three killed knew each other.