German Chancellor Angela Merkel has called for a thorough investigation into the incident and said that she was `` horrified and saddened '' by the tragedy . Twenty-one people have died in the tragedy . The incident occurred on a busy highway near the town of San Juan Copala, about 50 miles south of Mexico City. The German chancellor wants a thorough investigation .
Twenty-one people have died in the tragedy . The incident occurred on a busy highway near the town of San Juan Copala, about 50 miles south of Mexico City. The German chancellor wants a thorough investigation .