Damage in the downtown of Lac Megantic, Quebec is seen Sunday, July 7, 2013, the day after a train derailed causing explosions of railway cars carrying crude oil. (AP Photo/The Canadian Press, Paul Chiasson)
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LAC-MEGANTIC, Quebec — Investigators looking for the cause of a fiery oil train derailment are zeroing in on whether an earlier blaze on the same train may have set off a chain of events that led to the explosions that killed at least 13 people. Searchers, after days of delay, were examining the charred epicenter looking for what could be dozens of additional victims.
Nearly 40 people are still missing, not counting the 13 unidentified victims, suggesting the death toll was likely to rise sharply.
Officials were looking at a locomotive blaze on the same train in a nearby town a few hours before the derailment.
Transportation Safety Board investigator Donald Ross said the locomotive’s black box has been recovered, and investigators were examining whether the air brakes or the hand brake malfunctioned.
“The extent to which (the fire) played into the sequences of events is a focal point of our investigation,” Ross said.
All but one of the train’s 73 cars were carrying oil. At least five of the train’s tankers exploded after coming loose early Saturday, speeding downhill nearly seven miles (11 kilometers) and derailing into the town of Lac-Megantic, near the Maine border.
Officials said today that the fire is finally under control and that 1,200 out of about 2,000 evacuees will be able to go back to their homes.
The search for bodies continued but police declined to update the death toll or take questions about that.
Ed Belkaloul of the Transportation Safety Board told a news conference today that the train stopped at 11:00 p.m. local time on Friday night and that at 11:50 p.m. a fire was reported by a witness.
He said the fire was extinguished and at around 1:00 a.m. and that the train rolled into town on its own crashing about 14 minutes later.
The rail tankers involved in the derailment are known as DOT-111 and have a history of puncturing during accidents, the lead Transportation Safety Board investigator told The Associated Press in a telephone interview late Monday.
Ross said Canada’s TSB has gone on record saying that it would like to see improvements on these tankers, though he said it was too soon to know whether a different or modified tanker would have avoided last weekend’s tragedy.
The DOT-111 is a staple of the American freight rail fleet. But its flaws have been noted as far back as a 1991 safety study. Among other things, its steel shell is too thin to resist puncturing in accidents, which almost guarantees the car will tear open in an accident, potentially spilling cargo that could catch fire, explode or contaminate the environment.
“It’s too early to tell. There’s a lot of factors involved,” Ross said. “There’s a lot of energy here. The train came down on a fairly significant grade for 6.8 miles (11 kilometers) before it came into the town and did all the destruction it did.” He said the train was moving at 63 mph (101 kph) when it derailed.
The Saturday blasts destroyed about 30 buildings, including a public library and Musi-Cafe, a popular bar that was filled with revelers, and forced about a third of the town’s 6,000 residents from their homes. Much of the area where the bar once stood was burned to the ground. Burned-out car frames dotted the landscape.
Maude Verrault, a waitress at downtown’s Musi-Cafe, was outside smoking when she spotted the blazing train barreling toward her.
“I’ve never seen a train moving so fast in my life, and I saw flames ... Then someone screamed ‘the train is going to derail!’ and that’s when I ran,” Verrault said. She said she felt the heat scorch her back as she ran from the explosion, but was too terrified to look back.
The derailment raised questions about the safety of Canada’s growing practice of transporting oil by train, and was sure to bolster arguments that a proposed oil pipeline running from Canada across the U.S. — one that Canadian officials badly want — would be safer.
The train’s owners, Montreal, Maine & Atlantic Railway, said they believed brake failure was to blame.
Nantes Fire Chief Patrick Lambert said that when the same train caught fire hours prior to the accident, the engine was shut off per the standard operating procedure dictated by Montreal, Maine & Atlantic Railway.
The blaze was extinguished within about 45 minutes. And that’s where the fire department’s involvement ended, Lambert said.
“The people from MMA told us, ‘That’s great — the train is secure, there’s no more fire, there’s nothing anymore, there’s no more danger,’” Lambert told reporters. “We were given our leave, and we left.”
Edward Burkhardt, the president and CEO of the railway’s parent company Rail World, Inc., suggested that the decision to shut off the locomotive to put out the fire might have disabled the brakes. “An hour or so after the locomotive was shut down, the train rolled away,” Burkhardt told the Canadian Broadcast Corp.
Meanwhile, crews were working to contain 100,000 liters (27,000 gallons) of light crude that spilled from the tankers and made its way into nearby waterways. There were fears it could flow into the St. Lawrence River all the way to Quebec City.
Quebec’s Environment Ministry Spokesman Eric Cardinal said officials remained hopeful they could contain more than 85 per cent of the spill.
Associated Press writers Gillies and Charmaine Noronha contributed from Toronto. James MacPherson contributed from Bismarck, North Dakota.