It happened around 10 a.m., Saturday, Aug. 3, at the intersection of North Street and Fairfield Road when the bicyclist was struck by a black vehicle and sustained serious injuries, said the Greenwich Police.
The black vehicle was last seen driving eastbound on Fairfield Road, police said.
The Greenwich Police Department is asking anyone who may have witnessed the accident or know who the involved person is to contact Det. Brian Perusse at 203-622-8039.
Click here to follow Daily Voice Stamford and receive free news updates.