Illinois K-9 officer killed in the line of duty by intoxicated driver

Boone County Sheriff's Department K-9 unit Loki. (Boone County Sheriff's Office)

A Boone County police dog was killed Sunday morning, after a driver crashed into the squad car it was sitting in.

The Boone County Sheriff's Office says the driver was believed to be intoxicated.

The squad car was parked along Interstate 90 while conducting a traffic stop.

The dog's human partner was outside of the car and only suffered minor injuries.