BOSTON (WHDH) - Authorities responded to a Boston polling location Tuesday after receiving a report of an envelope containing an unknown substance.

Officers responded at 4:37 p.m. to 735 Shawmut Ave. in Roxbury after the absentee ballot was discovered, according to fire officials.

A hazmat team that was called to the scene has since given an “all clear” after the substance was found to baking soda.

 

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