A train collision in north Bohemia has left five people injured, one of them seriously. The morning express from Prague to Tanvald collided with a freight train just after 8 am as it was entering the Kropacov Vrutice railway station, near the town of Mlada Boleslav. Several freight wagons were derailed and the train driver is reported to be in serious condition. The track remains closed as emergency crews are working to clear the site. It is not yet clear what caused the accident.