The traffic deputies were waiting for a wrecker to arrive when their vehicle was hit from behind by a suspected drunk driver.

Two Dallas County sheriff’s deputies were injured in a car accident on Saturday morning, officials with the Dallas County Sheriff’s Office said in a statement. The deputies were at the scene of a major accident on eastbound Interstate 20 and Cockrell Hill Road in a marked squad car with emergency lights on, officials said.

Two Dallas County deputies were injured after their patrol vehicle was hit from behind while they were investigating and accident.