Four children dead and several others injured in train and bus collision in France

Latest: A regional train has hit a school bus on a crossing in southern France, killing four children and critically injuring seven other people on the bus.

Update 9.58pm: The French Prime Minister has arrived at the site of a crash between a train and school bus, which has left 4 children dead.

A regional train has hit a school bus on a crossing in southern France, killing four children and critically injuring seven other people on the bus.