A boy on a dirt bike was critically injured Saturday afternoon in a head-on collision with a pickup truck in Andover.

The boy was airlifted to HCMC in Minneapolis in critical condition, the Anoka County Sheriff’s Office said in a news release. The man driving the pickup truck was not injured.

The crash occurred shortly before 3:36 p.m. in the 2700 block of NW. 172nd Avenue. Emergency responders found the boy unconscious and treated him before he was airlifted.

The State Patrol and the Sheriff’s Office are investigating.