BEIJING (Reuters) - At least 20 people were killed when a road bridge being built across a river in southern China collapsed on to another highway, state media and a witness said on Tuesday.

• 北京（路透社）在南中国一条正在施工的跨河公路桥梁倒塌，至少有20人死亡，国家媒体和一个目击者星期二如是说。