Pedestrian struck, critically injured on Mass. Ave.

A retired Cambridge police officer is facing a charge that he drove away from the scene of an accident after allegedly striking a pedestrian in the Back Bay on Wednesday morning, critically injuring the victim.

Lawrence Stead, 69, of Quincy is scheduled to be arraigned Thursday in Boston Municipal Court on a charge of leaving the scene of a motor vehicle accident causing personal injury, Boston police said.

Stead retired from the Cambridge police force in 2009 after a 35-year career, said Jeremy Warnick, a spokesman for the department. It was unclear Wednesday whether Stead had a lawyer. A telephone listing for him could not be located.


The injured pedestrian, an adult male, was taken to Boston Medical Center with life-threatening injuries and was listed in critical condition, officials said.

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Boston police located the car believed to have been involved in the hit-and-run crash Wednesday afternoon in Quincy.

Officers were called to the MBTA Massachusetts Avenue station just after 6 a.m. to investigate reports of a person struck by a car, according to Officer Rachel McGuire, a department spokeswoman.

Massachusetts Avenue was closed between St. Botolph and Tremont streets for the investigation, creating traffic delays.

Laura Crimaldi of the Globe staff contributed to this report. Catalina Gaitan can be reached at Follow her on Twitter at @catalina_gaitan.