At about 11:20am, on Wednesday, November 11, 2009, officers from Area A-1 (Downtown) responded to a radio call for a pedestrian struck in the area of Tremont & Winter Streets. On arrival, officers observed and located a 76 year-old unconscious female lying in the street. The victim, suffering from life threatening injuries, was transported to an area hospital. The motor vehicle involved in the accident (a white Ford pick-up truck) is registered to the City of Boston. The cause of the accident is under investigation.