This has been a necessarily thorough process in order to understand the cause of the accident.
That mark indicated that a break in the running rail could be the underlying cause of the accident.
The Army said the cause of the accident was unknown, but that terrorist involvement had been ruled out.
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The police said the cause of the accident had not yet been established.
In a statement, the ferry company said it would work with investigators to determine the cause of the accident.
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Russian military officials continued to claim that a collision with a British or American submarine was the cause of the accident.
Hersman said a lot of work remains to be done before the safety board rules on the probable cause of the accident.
While the cause of the accident is still under investigation, the timing for a retrospective on the work of the paparazzi is uncanny.
The cause of the accident is still under investigation, but the highway was wet and snowy at the time of the accident, Mr. Grossman said.
City inspectors are investigating the cause of the accident and have issued a cease-use order for the elevator involved, the Department of Buildings said Wednesday.
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Fox Sports released a statement Sunday night saying it hasn't determined the cause of the accident and it is suspending use of the camera system indefinitely.
It remains to be seen if space debris was the cause of the accident, as Columbia's crew compartment has not been recovered in any identifiable form.
Olansen said operators have recovered memory devices from the wreckage and will be pulling the data off of them for clues to the cause of the accident.
"The cause of the accident was that the signaller raised the barriers in error when the train was approaching and too close to be able to stop before reaching the level crossing, " the report said.
According to Rio mayor Eduardo Paes, faulty construction is the likely cause of the accident.
Board chairwoman Deborah Hersman said it would be months before the board determines the probable cause of the accident.
Based on information provided thus far in the media and a review of the video, a shift in the cargo load seems a likely cause of the accident in my opinion.
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" He said Metro is working with the NTSB to find the "root cause" of the accident, and said he wanted to assure metro riders that the system "is as safe as it can be.
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The panel said the magnitude-9 earthquake that preceded the waves could not be ruled out as a cause of the accident.
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Egyptian government spokesman Alaa Hadidi announced that the Cabinet will form a committee from the Ministry of Civil Aviation to investigate the cause of Tuesday's accident, EgyNews said.
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The BBC's Alan Johnston in Rome says that whatever the cause of the crash, it has revived memories of the accident involving the Costa Concordia cruise ship off the Italian island of Giglio in January 2012, which left 32 people dead.
"The only absolute fact is that we do not know the cause of this accident, " it said.
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In its settlement last year with the US Department of Justice of the criminal charges against it, BP admitted that negligence on the part of its employees -- along with other companies -- was a "proximate cause" of the accident.
The finding by the safety board isn't a definitive determination of the cause of last week's accident, in which one Metro-North train derailed and was then sideswiped by another train, injuring more than 70 people.
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The most common cause of death on the job in 2000, however, was the car accident, accounting for 23% of the total.
Officers were trying to determine the cause of the blaze, which wasn't the result of an accident.
The Columbia Accident Investigation Board, which is looking into the cause of the shuttle disaster, gave NASA permission to release the photos because it determined they were not relevant to the probe.
On Monday, WRS said it was investigating the cause of the blaze but it "could have started by accident, perhaps even by a spent firework".
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