Engine shutdown , air brake release may have caused train derailment , rail company says . Comment: Resident Amanda Gabrielle said the train crashed on her birthday . The trains are not moving fast enough to cause the cars to derail themselves. At least five people killed ; about 40 unaccounted for . `` It looks like a war zone here , '' Prime Minister Stephen Harper says .
Engine shutdown , air brake release may have caused train derailment , rail company says . Comment: The trains are not moving fast enough to cause the cars to derail themselves. At least five people killed ; about 40 unaccounted for . `` It looks like a war zone here , '' Prime Minister Stephen Harper says .