HARLINGEN, Texas (ValleyCentral) — The Texas Department of Public Safety released the cause of a three-vehicle crash involving an IDEA school bus and a DPS unit.

The crash happened at approximately 4:06 p.m. on 1300 N. Ed Carey Drive in Harlingen near the railroad tracks.

According to DPS, a Ford Mustang traveling in the middle lane of Ed Carey changed lanes when unsafe and collided with a Texas DPS patrol unit traveling southbound on the farthest left lane of Ed Carey.

The impact veered the patrol unit onto the farthest right lane and collided with an Idea school bus, DPS adds.

The school bus, occupied by 32 students and the driver, was stationary at a traffic light on the farthest right lane north of Glasscock Avenue.

The bus driver and five students were transported to local hospitals for evaluation with non-life-threatening injuries.

Photos show a DPS unit with damage to its front side near the rear of the school bus.

DPS Troopers are further investigating this crash. 

This is a developing story and will be updated as more information becomes available.