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A power station run on natural gas and oil-fired steam had the second fire in a month on January 20th. No injuries were reported.
"We found the root cause, which was the exhaust stack, and we are doing additional work on that unit and replacing equipment," said National Grid.
The first fire happened three weeks earlier, on December 30th in a unit connected to one of the gas combustion turbines.
There is no information on what, if any, fire protection was at the plant.