A developing story out of Los Angeles:

All Los Angeles Unified School District schools were closed Tuesday after LAUSD received a “credible terror threat,” according to school district officials and police. More details about the threat were expected to be provided during a Tuesday morning news conference.

Bus drivers were already out on their routes to pick up the more than 640,000 children enrolled in LAUSD schools.

Several LAUSD school bus drivers told Eyewitness News that they have been called back by their dispatchers to their respective bus depots.

The Los Angeles Times is reporting the threat was called in to a school board member.

We’ll add more information here as it becomes available.