RIVERSIDE (CBSLA.com) — A middle school student was struck and killed by a vehicle Wednesday while on his way to class in Riverside.

The accident took place around 7:10 a.m. at the intersection at Sierra Street and Streeter Avenue near Sierra Middle School, according to Riverside police.

READ MORE: Rep. Nunes To Retire And Work For Trump's New Social Media Company

Giovanni Valle, 13, was riding a scooter in a crosswalk when he was truck by a 44-year-old driver, according to witnesses.

“The boy was just tossed,” witness Julia Atumre said.

READ MORE: Young Boy Dead, 2 Others Wounded In Wilmington Shooting

The driver, who had pulled over and remained at the scene, was taken into custody on suspicion of driving while under the influence of prescription drugs, police said. He has since been released, pending the outcome of toxicology tests.

Crisis counselors were dispatched to the school following the incident.

The investigation was ongoing.

MORE NEWS: Man Killed In Shooting In Unincorporated Part of Los Angeles

Anyone who may have witnessed the collision was asked to contact Det. Rick Prince at (951)826-8722.