An Amtrak spokesman could not be reached regarding Amtrak Acela Train 2173, which passengers said was struck at about 9:05 p.m. A SEPTA train was struck by a projectile at about 9:10 p.m., according to a SEPTA spokeswoman, who said there is no indication the incident is connected to the derailment, which happened at about 9:30 p.m.