BOSTON -- A Brooklyn woman charged in connection with a hit-and-run accident that left a 22-year-old mayoral aide originally from Massachusetts in a coma with severe brain injuries was ordered held on $300,000 at her arraignment.

Police said Frances Jasmin, 28, was arraigned Wednesday night in Brooklyn Criminal Court on charges of leaving the scene of an accident with serious physical injury. Her lawyer told The Boston Globe that Jasmin is remorseful.

Erinn Phelan of Swampscott, Mass. and her 23-year-old friend were struck as they crossed a Brooklyn street on Feb. 21.

Phelan was credited with pushing her friend, Alma Guerrero, out of the car's path before she herself was struck. Her friend suffered a broken collar bone.

According to the criminal complaint released Thursday, detectives used cell phone records to conclude Jasmin was in the area at the time of the crash. Police had initially suspected the car's owner and defendant's sister, Cindy Jasmin, as the driver.

Blood was recovered from the driver’s door of Jasmin's green Acura found near the crash scene.