Four people, including two teenagers, were killed in Belgium on Tuesday when a train crashed into a school bus on a level crossing near the town of Buggenhout, RTL TV reported, citing Transport Minister Jean-Luc Crucke. The victims also included the bus driver and an adult accompanying the pupils, RTL quoted Crucke as saying. Two other people were also severely injured. The accident occurred early on Tuesday at a level crossing near Buggenhout station, about 23km (14 miles) from Brussels....