A senior man was killed Wednesday evening after being struck by a bus while riding a moped in Downtown Brooklyn. The 74-year-old man, whom police have not identified, was riding an electric moped south on Jay Street just after 8:15 p.m. Wednesday, when the 66-year-old driver of a Prevost coach bus going the same direction attempted to turn right on Tillary Street. The man on the moped was struck by the bus as it was turning, falling to the ground before being run over by its tires, police say. Click here to read more on brooklynpaper.com.