A bomb threat at Simi Valley High School Wednesday morning led to its lock down shortly after the start of classes, officials said. The school told police at 8:39 a.m. that it had received a threat about some kind of explosive device on campus,

A bomb threat was called in at Simi Valley High School. The school was locked down and students were evacuated, but police found no evidence of an explosive device and the lockdown was lifted.

Simi Valley High School was placed on lockdown Wednesday morning. A school operator told FOX 11 that the school was on lockdown as a precaution and that everyone was safe. The lockdown comes following reports of a bomb threat,

Severna Park Middle School and High School are both currently on lockdown as police are investigating a threat of violence, according to a Facebook post from Anne Arundel County Police. There is no evidence of weapons inside the school or on school property,