A Portland man riding a bicycle was seriously injured Friday evening when he collided with a car.

David Campbell, 36, was riding near the intersection of Washington Avenue and East Kidder Street about 6:15 p.m. when he collided with a car driven by Christopher Legassy, 50, of South Portland, according to Portland police Maj. Robert Martin.

The bicyclist was taken to Maine Medical Center, where he was being treated for very serious injuries, Martin said Friday night. As of Monday evening, Campbell remains in critical condition, officials said.

Few other details have been released about the crash. No charges have been filed.