A 45-year-old bicyclist was severely injured in a hit-and-run crash Tuesday evening in Dakota County's Eureka Township, authorities said.

The crash happened about 7:45 p.m. on 250th Street W. at Highview Av. The victim was flown by helicopter to North Memorial Medical Center in Robbinsdale. No update to his condition was available Tuesday night.

The Dakota County Sheriff's office said they believe the biker was hit by a vehicle going in the same direction, east on 250th.

Authorities are asking for the public's help in finding a white pickup truck with large tires and red highlights that was seen in the area after the crash. The vehicle may have front-end damage.

Anyone with information is asked to call 651-438-4721.