The train that derailed and exploded in Lac-Megantic, Canada, had been parked and the conductor was not aboard when "somehow, the train got released".
"We're not sure what happened, but the engineer did everything by the book. He had parked the train and was waiting for his relief", Montreal, Maine and Atlantic Railway, Inc Vice President Joseph McGonigle said.
More top news
A very unsettled start to the new week with heavy, thundery, occasionally wintry showers spreading in from the west throughout the day.
It had been reported that four domain names which appeared to support Clive Lewis for Labour leader were registered in June last year.
The EU flag symbolises unity between European countries.