Shortly after 9am police responded to reports of a leak at a construction site on Cambewarra Road in Bomaderry.

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Cambewarra Road is closed in both directions between Jasmine Drive and Meroo Street and a number of houses in the nearby vicinity have been evacuated as a precaution.

Road closures are expected to be in place for several hours.

Police are urging members of the public to avoid the area.

Initial inquiries suggest the leak is not suspicious.

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