5don MSN
Body camera footage of Centreville house explosion released as cause remains under investigation
NTSB investigators say it could take up to 2 years before a final cause of the blast is determined.
The NTSB said crews found no other leaks in the underground natural gas pipes.
The National Transportation Safety Board said the testing of pipeline infrastructure around a home in Centreville that exploded will likely last through the rest of the week.
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