MARIETTA - Authorities say an overturned tanker in Cobb County is leaking gasoline into a storm drain Sunday morning. <br>
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An 18-wheeler, carrying 6,500 gallons of gas, overturned Saturday night. <br>
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HAZMAT teams have been working to contain the leakage. <br>
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In the meantime, police have closed down the busy intersection at Windy Hill and Powers Ferry Road.
