A Canadian National (CN) Rail freight train carrying crude oil derailed and caught fire Tuesday night near the northwest New Brunswick town of Plaster Rock. No injuries have been reported.

The Transportation Safety Board ((TSB) reports that 17 cars are believed to have derailed, eight carrying dangerous goods and one a locomotive.  According to CN Rail President and CEO Claude Monganu five of the derailed cars were carrying crude oil, and the other four propane.

The 122-car train was heading to the Irving Oil Refinery in St. John from central Canada. The derailment occurred just after 7 pm about five km from Plaster Rock, in Wapske.

Dan Holbrook with the TSB told the CBC the incident was cause by a mechanical failure affecting the train's breaking system. A ruptured airline connecting the cars caused an emergency break application, he said. 

"Trains have a continuous pipe running throughout the train that supplies air to the brake system on every car," he said.

"If that brake pipe comes apart, that causes the brakes throughout the train to go into emergency…and that means the train will stop as fast as it can."

The incident comes just over a week after an accident in North Dakota caused several oil train cars to burst into flames and explode. The North Dakota accident is just one among many high-profile oil train accidents to occur within the last six months, including Lac-Mégantic where 47 people perished as the result of a tanker train derailment.

The TSB has deployed a team of investigators to the scene, where the fires still burn. The site is under the control of authorities with the local fire department.

Premier David Alward attended a news conference this morning to express gratitude there were no injuries and said there appeard to be no serious impact to the environment. 

"Every day we have the movement of goods and services across our country by many different modes of transportation," said Alward. "Every mode of transportation is not without risk.

"What is important to realize is how we are able to respond to situations when they happen really determines how we are able to manage as we go forward."

The TSB will further investigate the site when they determine it is safe to do so.

"The team will evaluate the accident and document the derailment site, inspect the equipment and track infrastructure and identify any items that may require closer inspection. They will examine the maintenance history of the train, operation of the equipment and operation policies, meteorological conditions, and review any human factors," states a TSB press release.

First responders were forced to stay a safe distance from the fire, which was large enough to be seen from a "significant" distance away, reports CBC. A 2km radius including 45 households has been evacuated, said Feeny, director of public and government affairs for CN Rail.

Plaster Rock mayor Alexis Fenner reportedly said all roads were blocked and shut down by the police after the derailment.

"On our balcony, we can just see flames. Every now and then, there's a huge fireball, as if there was an explosion," Plaster Rock resident Carol Jervis told Global News.

Another resident said her husband went to the area and "could see flames shooting in the air from quite far away. He could see it very clearly. It was about 50 to 60 feet he told me he could see."

J.D. Saddler, a resident of Wapske, told CBC that he was driving back there from Plaster Rock when the derailment occurred, and he saw "a great big cloud of orange smoke and the flames were really high in the air, the smoke was really high in the air."

At the time, there was no given time frame for when crews could move in. Feeny said CN Rail senior managers and hazardous materials experts were en route from Moncton, Montreal and Toronto.

An evacuation centre was set up at Plaster Rock, with the Canadian Red Cross dispatching volunteers with supplies to assist local authorities at the centre. Bill Lawlor, Canadian Red Cross director of disaster management for New Brunswick, said that this was a precautionary measure, as the area is sparsely populated and the small numbers impacted by the evacuation would probably stay with friends or family.

Lawlor added that the volunteers were ready with blankets and cots should any residents require shelter, or if circumstances should change.

According to the CBC, another derailment that occurred at Plaster Rock was one of two incidents that led the TSB to issue a summons in 2006, requiring CN Rail to turn in all its records.

The CBC's investigation discovered that CN Rail did not report more than 1,800 derailments and accidents over a six-year period, including 44 derailments and one collision on "key arterial rail tracks."

The derailment comes days after a joint task force announced by BC and Alberta premiers Christy Clark and Alison Redford handed in a report exploring the feasibility of transporting oil by rail as a backup in case pipeline projects fall through.

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The death toll from the tragic Lac-Mégantic train derailment has risen to 15* following the recovery of more bodies from the rubble left by exploding oil tankers cars, which levelled more than 30 buildings in the centre of the small Quebec town early Saturday.

CBC News reports that "a criminal investigation is now underway as officers continue to comb through the rubble and search for some 40 people who are missing," according to Quebec provincial police Inspector Michel Forget.

Forget said "terrorism" was unlikely to be the cause of the derailment and the explosions. He didn't elaborate on the causes of the criminal probe, but said that investigators had "discovered elements" that warranted it, with "criminal negligence" being "one possible charge among many that are being considered as the investigation unfolds."

Investigators have also revealed that firefighters were called in Friday night to deal with an incident at the train in Nantes, the town where the train was parked, about 12 km from Lac-Mégantic. The train rolled downhill and exploded in Lac-Mégantic after the firefighters and an employee from the rail company left.

Nantes fire chief Patrick Lambert "said his crew received the company's blessing to leave the scene," reports CBC. Montreal, Maine & Atlantic Railway, however, countered with the accusation that "the fire crew should have alerted the engineer who by that point had gone home to sleep for the night."

The Transportation Safety Board of Canada (TSB) is also investigating the derailment, and has questioned the safety of the general purpose tanker cars used to transport flammable materials like crude oil. The TSB does not assign criminal charges, but will investigate the cause of the derailment and identify "safety deficiencies."

CBC reports that Don Ross, the TSB's lead investigator at Lac-Mégantic, also showed concern at the lack of precautionary technology on the stretch of track that might have prevented an incident like this.

"This area is not equipped with the type of signal systems that would even show to a rail traffic controller that something was moving on the territory that they hadn't authorized," Ross said at a news conference yesterday.

Another TSB investigator, Ed Belkaloul, is said to have observed that "the type of train car involved in the crash, was identified as a concern by safety officials following a 1995 train derailment in Gouin, Que., that resulted in a sulphuric acid leak into a lake and the Tawachiche River."

After the 1995 derailment, the TSB warned in their report that "the carriage of certain dangerous goods in such cars might be putting persons and the immediate environment at risk in the event of an accident."

The fallout from the tanker car explosions also includes crude oil from the train leaking into surrounding waterways via the Chaudière river. About 80 km downriver from Lac-Mégantic, the community of Saint-Georges is having to draw water from a nearby lake instead of the river, which is their usual source, because of fears "that the water is contaminated with hydrocarbons," according to a separate article from CBC.

Ross added that the TSB has had "a long record of advocating to further improvements" to the "general service" cars "because they're a very common type of tank car and take a lot of very large volumes of petroleum products, like in this case, and you can see the damage that was caused here." He said that the investigation would "establish whether everything that was done here had met the requirements."

Stephen Guilbeault, head of environmental group Equiterre, told CBC that "a wave of deregulation" has allowed companies like Montreal, Maine & Atlantic Railway to get away with using outdated train cars, with "the federal government…very complicit in letting companies dictate the rules of the games."

Dean Beeby of the Canadian Press wrote last year that a February 2012 briefing note to Prime Minister Stephen Harper from the clerk of the Privy Council, on the potential of rail transport of crude oil, observed "that Transport Canada officials have confirmed there are no regulatory hurdles for transporting crude by rail."

Emile Therien, former president of the Canada Safety Council, who criticized rail safety regulations in 2007, clarified in a piece for the Ottawa Citizen that "Transport Canada, with overall responsibility for railway safety, conducts audits of how a railway company maintains its safety-management systems. It does not engage in the inspection of tracks and switches." Day-to-day safety regulation is left to rail companies.

Therien did also observe that "train accidents in this country have decreased by 23 per cent" since 2007, and said that Canada's rail safety in general is "improving."   

Meanwhile, in Lac-Mégantic, 1,200 of the 2,000 evacuated residents have been let back into the town, though around 800 residents are still being kept away because of work going on in the cordoned-off "red zone." The air quality in the area has been tested and confirmed to be safe, but returning residents have been advised to "open windows and ventilate their homes."

CBC says that locals "have been quick to single out [Montreal, Maine & Atlantic Railway] company with complaints about its lack of visibility, its safety standards." Edward Burkhardt, head of the company hasn't visited the town yet, though he's scheduled to appear today.

Burkhardt told CBC that there's "a lot of anger" from Lac-Mégantic being directed at him, and said he hopes that he's "not going to get shot."

*As of Friday, July 12, 2013, the death toll has risen to 28.

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