ATHENS --- Rescuers continued digging through debris on Saturday at the site of Greece's worst train crash but were expected to wrap up their search operation later in the day. At least 57 people were killed and dozens were injured on Tuesday when a passenger train with more than 350 people on board collided with a freight train on the same track in central Greece. The disaster has triggered an outpouring of anger and protests across the country, as well as a sharp focus on safety standards across the railway system. A station master in the nearby city of Larissa who was on duty at the time of the crash was charged this week with endangering lives and disrupting pu...Keep on reading: Greece to wrap up search at train crash site as anger simmers