At least 24 people were hurt and hundreds were evacuated after two subway trains collided on the Upper West Side Thursday afternoon, causing both to derail, officials said. The injuries that were sustained were consistent with a low-speed train derailment,” FDNY Deputy Assistant Chief Ian Swords told reporters outside of the train station Thursday night. 11 Two subway trains collided on the Upper West Side Thursday afternoon. “We are going to get to the bottom of that.”11 At least 19 people were hurt after two subway trains collided. nycemergencymgt11 A firefighter carries a stroller out of the subway station.