Authorities are investigating after a school bus crashed on an Idaho highway on Friday.

The incident occurred on State Highway 55 near milepost 84 in Boise County at around 3 p.m. local time, authorities said.

Idaho State Police said they are investigating the crash and believe there are injuries.

Multiple agencies responded to assist with the crash. Rescue apparatus are on scene, according to the Valley County Sheriff's Office.

A stretch of the highway is expected to be closed in both directions for several hours in the wake of the crash.

This is a developing story. Please check back for updates.