Engine shutdown , delayed brake release may have caused the derailment , the company said . Train rolled downhill , derailed and exploded into flames . I love you , '' one reads in French . At least five people died ; about 40 unaccounted for . ` ` It looks like a war zone here , '' Prime Minister Stephen Harper said .
Engine shutdown , delayed brake release may have caused the derailment , the company said . Train rolled downhill , derailed and exploded into flames . At least five people died ; about 40 unaccounted for . ` ` It looks like a war zone here , '' Prime Minister Stephen Harper said .