Students at Pacoima Middle School were sent to an athletic field on campus Thursday morning as they waited for a bomb squad to arrive and investigate a an unattended duffel bag.
The bag left in front of the middle school at 9919 Laurel Canyon Blvd. (map) was reported to authorities at about 8:20 a.m., Richard French of the Los Angeles Police Department said.
The street where the duffel bag was found was blocked off during the investigation, according to Monica Carazo, a spokeswoman for the Los Angeles Unified School District.
Local residents were also forced to evacuate their homes, Carazo said.
By 11:30 a.m., students had been allowed to return to class, Cody Weireter, a spokesman for the Los Angeles Fire Department, said.
There was no word on what was inside the duffle bag or why it was left in front of the school.
Check back for updates on this developing story.