People in the area called 911 to report the smell of gas or oil, but the emergency responders didn't find the leak, and were unaware of the pipeline in the area, the report found.

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Security advisors have been asked to find out how the leak happened.

BBC: News | UK Politics | Air sell-off 'could compromise safety'

And a man rang to ask for the phone number of a plumber as he had come home to find he had a leak in the bathroom.

BBC: Toilet roll 999 call made to Devon and Cornwall Police