A high-speed train collided with another rail engine and crashed into a pedestrian overpass at a train station in Ankara on Thursday, killing four people and injuring at least 43.<br /><br />The accident happened around 6:30 am local time as the train was travelling between Ankara and the central Turkish province of Konya.<br /><br />This video shows rescue crew at the site of the crash.<br /><br />According to local media, at least two cars derailed. It was unclear what speed the trains were traveling at when the collision occurred.