Authorities have released the names of two people who were killed in an accident in Ambridge over the weekend. Police say 49-year-old Scott Meckling of Ambridge and 48-year-old Colleen Graham of Aurora, Colorado were hit by an Amtrak passenger train yesterday near the sewage treatment plant on Ohio River Boulevard. The train was carrying 215 people from Washington, DC to Chicago, but none were injured. Witnesses say the victims tried to beat the train across the tracks.