A fire on a truck has caused the closure of the Channel tunnel between France and the UK.<br /><br /> The incident is reported to have been on the French side of the crossing.<br /><br /> There are no reports of injuries.<br /><br /> Trains have stopped operating until further notice.<br /><br /> Authorities say they managed to evacuate a train without incident and others returned to their stations of origin.<br /><br /> The alert came from carbon dioxide detectors.
