Harlingen school bus rear-ended off Expressway 77

Viewer photo from the accident.

Authorities are investigating a Thursday morning accident involving a school bus.

It all happened off Expressway 77 and Loop 499 early Thursday morning.

Harlingen Consolidated Independent School district officials confirmed that the bus was rear-ended.

School district officials said none of the 17 students aboard the bus were injured.

District officials said the Gutierrez Middle School bus was headed to Combes at the time of the accident.

Action 4 News will provide more information as it becomes available.