SWAMPSCOTT? A pedestrian in a crosswalk was struck by a motor vehicle on Humphrey Street near St. John the Evangelist Church at 9:25 a.m. on Friday.According to Detective Sgt. Tim Cassidy, the driver was Polly Lebell, 33, of 213 Walnut St., Lynn. She was cited for failure to stop for a pedestrian in a crosswalk.Cassidy said the victim Duyen Lee, 52, was transported to Salem Hospital with non-life threatening injuries.Cassidy said Lebell, who was not injured, does not have any priors and remained at the scene.