Tue July 9, 2013
Burned tanker cars are scattered on the tracks in Lac-Megantic, Quebec, on Monday, July 8. On Saturday, July 6, the train, pulling tankers of crude oil, rolled into the town unattended from 7 miles away, derailed and exploded. A man collects oil floating on the Chaudiere River near Lac-Megantic on July 8.
A man collects oil floating on the Chaudiere River near Lac-Megantic on July 8. Derailed rail cars sit in mud and oil in Lac-Megantic on July 8, in this handout image released by the Transportation Safety Board of Canada.
Derailed rail cars sit in mud and oil in Lac-Megantic on July 8, in this handout image released by the Transportation Safety Board of Canada. A man consoles a woman on July 8 at the Polyvalente Montignac, the school used as a shelter for evacuated Lac-Megantic residents.
A man consoles a woman on July 8 at the Polyvalente Montignac, the school used as a shelter for evacuated Lac-Megantic residents. Canadian Prime Minister Stephen Harper, second left, observes the site of the explosion on Sunday, July 7.
Canadian Prime Minister Stephen Harper, second left, observes the site of the explosion on Sunday, July 7. Firefighters continue to douse burning wreckage on July 7 in Lac-Megantic, Quebec.
Firefighters continue to douse burning wreckage on July 7 in Lac-Megantic, Quebec. People cry and hug each other on July 7 while they sit on the grass at the Polyvalente Montignac, the school sheltering the people who were forced to leave their houses.
People cry and hug each other on July 7 while they sit on the grass at the Polyvalente Montignac, the school sheltering the people who were forced to leave their houses. Firefighters continue to water smoldering rubble on July 7.
Firefighters continue to water smoldering rubble on July 7. A concerned resident waits near an aid station on July 7.
A concerned resident waits near an aid station on July 7. A view of the town from a lookout point at Lac Megantic, Quebec, July 7.
A view of the town from a lookout point at Lac Megantic, Quebec, July 7. Firefighters walk past a burnt out vehicle near the train derailment in Lac Megantic, Quebec, July 7.
Firefighters walk past a burnt out vehicle near the train derailment in Lac Megantic, Quebec, July 7. Melted siding on a home is seen near the scene of a train derailment in Lac Megantic, Quebec, July 7.
Melted siding on a home is seen near the scene of a train derailment in Lac Megantic, Quebec, July 7. Smoke billows from a fire at the site of a train derailment on Saturday, July 6.
Smoke billows from a fire at the site of a train derailment on Saturday, July 6. Firefighters walk past derailed cars on July 6.
Firefighters walk past derailed cars on July 6. Firefighters work to put out fires at the wreckage of the train in Lac-Megantic on July 6.
Firefighters work to put out fires at the wreckage of the train in Lac-Megantic on July 6. A firefighter walks past the remains of buildings in Lac-Megantic on July 6.
A firefighter walks past the remains of buildings in Lac-Megantic on July 6. Smoke rises in the background as Quebec Premier Pauline Marois speaks to reporters in Lac-Megantic on July 6.
Smoke rises in the background as Quebec Premier Pauline Marois speaks to reporters in Lac-Megantic on July 6. Firefighters douse flames after the derailment on July 6.
Firefighters douse flames after the derailment on July 6. Firefighters battle fires in Lac-Megantic on July 6.
Firefighters battle fires in Lac-Megantic on July 6. HIDE CAPTION
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
Train derails, explodes in Canadian town
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STORY HIGHLIGHTS
- The railroad CEO says the locomotive was shut down by responders to an earlier fire
- A Canadian official says there is no sign of sabotage in the Lac-Megantic crash
- Some residents of the town are allowed to return home, officials say
- At least 13 people are dead and about 37 are unaccounted for
Firefighters in the nearby town of Nantes put out a blaze on the train hours before it rolled into Lac-Megantic. Ed Burkhardt, chief executive officer and president of Rail World, the parent company of the Montreal, Maine & Atlantic Railway, told media outlets there's evidence the engine powering the brakes was shut down at some point.
Pressed to elaborate by CTV, Burkhardt wrote in an e-mail exchange, "We are now aware the firefighters shut down the locomotive. By the time (Montreal, Maine & Atlantic) people found out, it was too late."
In earlier comments to the Montreal Gazette, he said the matter needs further investigation, and his company has begun an internal inquiry.
Pipeline vs rail safety concerns 
Death toll rises in train explosion 
See massive fire after train derailment "There are a number of missing pieces here," Burkhardt told the paper, saying he didn't suspect "the event was malicious or an act of terrorism."
The company did not immediately return phone calls from CNN about the report.
Asked during a news conference if authorities suspected sabotage, Ed Belkaloul, manager of rail operations for Canada's Transportation Safety Board's eastern region, said there was no evidence to that effect.
The train began rolling -- unbeknownst to dispatchers and rail traffic controllers -- about an hour after the fire in Nantes was reported. It picked up speed because the track between Nantes and Lac-Megantic lies on a 1.2% downward slope, which Belkaloul said is relatively steep.
"On the principle lines, as soon as there is an uncontrolled movement, the controllers of rail traffic can see that there is an uncontrolled movement," Belkaloul said. But on smaller lines like the one between Nantes and Lac-Megantic, "there is no way for the dispatcher or the controller to realize that there is an uncontrolled movement."
Seventy-two tanker cars carrying crude oil jumped the track early Saturday, setting off a huge fireball. At least 37 people are missing. Officials in the town 130 miles east of Montreal say some victims were likely vaporized by the intense blaze, which burned for 36 hours after the crash.
The fire is under control, authorities said Tuesday morning. Of the roughly 2,000 residents evacuated, about 1,200 will be permitted to return home immediately. Another 800 cannot go back yet, the officials said.
Notices were placed on doors instructing residents how to clean and air out their homes. Officials suggested throwing out any food and boiling all water because the city's water treatment plant is not operational.
Firefighters are now using infrared detectors to find any remaining hot spots in the wreckage. They've stopped hosing down the area because it was inhibiting the investigation, officials said.
Rolling oil bomb?
The train had already been on fire hours before the Saturday accident, Canadian broadcaster CBC reported, sourcing fire officials. Firefighters in the town of Nantes, 7 miles northwest of Lac-Megantic, extinguished a small blaze on the freight train.
When they left, the train was still parked where it was supposed to stay for the night, the Montreal, Maine & Atlantic Railway said.
But air brakes holding it in place failed, allowing the train to barrel downhill into Lac-Megantic, the company said. It was not clear if Burkhardt was suggesting to CTV that firefighters were responsible for disabling the brakes, but he told Reuters earlier that the brakes were disabled when firefighters shut down the engine powering them.
Investigators plan to check the brakes once the crumpled, burned tankers are accessible.
The train rolled into town much faster than a train under an engineer's control would have.
"Usually they're traveling between 5 and 10 miles an hour," said Quebec police officer Benoit Richard. "On that night, this train was going at least between 30 and 40 miles an hour."
Sonia Pepin recalls hearing the train like never before. The tracks are a few feet from her home, and her whole house shook, she said.
Investigators with the Transportation Safety Board of Canada found the locomotive event recorder, which they can analyze for information on throttle position and speed, among other data.
Oil transport safe?
Petroleum products have increasingly been transported via rail in the past five years, according to the railroad industry, and Canada has had multiple issues with derailments in recent months.
Last month, four Canadian Pacific rail cars carrying flammable petrochemicals used to dilute oil derailed on a flood-damaged bridge spanning Calgary's Bow River, according to the Calgary Herald.
In another incident involving Canadian Pacific, five tankers containing oil derailed in rural Saskatchewan in May, spilling 575 barrels of crude, the Toronto Sun reported.
A month earlier, 22 Canadian Pacific rail cars jumped the tracks near White River, Ontario. Two of the cars leaked about 400 barrels -- almost 17,000 gallons -- of oil, The Globe and Mail in Toronto reported.
Canadian Pacific was also involved in a stateside spill in March. Fourteen cars on a mile-long, 94-car train derailed in western Minnesota, about 150 miles northwest of Minneapolis, spilling about 30,000 gallons of crude, Reuters reported.
A rail car can carry roughly 700 barrels of oil, with 42 gallons per barrel.
Popular Quebec performer missing
The runaway train rumbled toward Lac-Megantic while patrons at the Musi-Cafe were enjoying a summer night of live music. Some were sitting on the pub's front porch.
The Musi-Cafe is no longer standing, one of an estimated 40 buildings leveled in the crash and explosions. Some of its patrons have been counted among the 13 confirmed dead.
"We know that there will be many more," said police Lt. Michel Brunet.
Authorities believe some of those still missing were in the pub at the time of the accident. Quebecois musician Guy Bolduc had been performing there.
The pub's Facebook page is filling up with messages of condolence, as has a page created for the victims of the disaster. Bolduc's fans are searching for him on social media.
"All of his fans, all over Quebec, but also his fellow singers (of whom I am one) hope to see him again alive!!! Come on my GuyBol, come out of your hiding place," one member wrote.
A 'war zone'
When 1,200 evacuees from the Canadian town return Tuesday, they will find Lac-Megantic gutted for blocks.
"Hot zones" lingering more than two days after the train derailment hampered authorities' efforts to search for missing people.
Forensic specialists have asked victims' families for hair samples, clothing, anything to help identify their loved ones.
In a town of just 6,000 residents, most everyone is affected by the deaths and destruction.
Prime Minister Stephen Harper has described the scene as a "war zone."
CNN's Holly Yan, Umaro Djau, Jonathan Mann, Pierre Meilhan and Deanna Hackney contributed to this report.
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