SHERMAN OAKS—A series of threatening calls led to multiple schools being closed on November 14, the Los Angeles County Sheriff’s Department reported.

Calls were made to Bishop Alemany High School in Mission Hills, Agoura High School in Agoura Hills and Notre Dame High School in Sherman Oaks, where someone called Notre Dame stating they were going to “shoot up” the school according to ABC 7 Eyewitness News.

The Los Angeles County Sheriff’s Department posted on its Facebook page the following message:

“Lost Hills Sheriff’s Station received a call for service regarding a possible threat to Agoura High School. Deputies responded to the high school and are currently conducting a check of the campus and surrounding area. The school is currently on lockdown. Please avoid the area at this time.”

At around 1 p.m. an update was posted noting no threats were found at the school and the lockdown was lifted. There were no reports of any injuries during the incidents.