Sanford police say James Comppen, 57, suffered head and internal injuries when the bicycle he was riding collided with a car on Main Street on Wednesday evening.

Sgt. Craig Andersen said in a statement Thursday that Comppen, of Sanford, underwent surgery Wednesday night and was being treated at Maine Medical Center in Portland.

Clay Holtzman, a spokesman for the hospital, said Comppen was listed in serious condition Thursday night.

Comppen was riding north on Main Street, near the intersection with Acorn Street, around 6 p.m. when the bicycle he was riding collided with a car, Andersen said.

Comppen was flown by LifeFlight helicopter to Maine Medical Center.

The driver of the vehicle, a minor, was not injured.

No charges have been filed and the investigation into the crash continues.

Dennis Hoey can be contacted at 791-6365 or at:

dhoey@pressherald.com