10:45 p.m. Tuesday Update, reflects the officer's name and condition:

An Olivette police officer was injured Tuesday afternoon when another driver slammed into the officer's vehicle while the officer had pulled over another vehicle on Interstate 170.

At Tuesday night's Olivette City Council meeting, officials identified the officer as Sgt. Bill Miller, a veteran of two decades with the department, and said he had been released from the hospital.

Miller was treated at the scene of the crash, just south of Old Bonhomme Road on I-170, and had been taken to a hospital for non-life-threatening injuries.

University City police are investigating the accident.

The Olivette police statement said the accident happened at about 12:15 p.m. while Miller "was performing traffic enforcement functions." Miller was seated in his vehicle when the second vehicle crashed "into the side/rear of the police car."

He was treated by Olivette Fire Department paramedics; the other drivers were not injured.

City officials said the other driver involved was not impaired at the time of the accident.

Local Editor Gregg Palermo contributed information for this story.