Lexington, Waltham Authorities Responding To Major Gas Leak; No Injuries

UPDATED, 1:55 p.m.: On the Lexington side of a major gas leak at the Lexington-Waltham line, the is diverting southbound traffic at the intersection of Waltham Street and Concord Avenue. 

Around 1 p.m., emergency responders from Lexington said they expected to be involved at the scene of the leak, reported to be at 1111 Lexington St., Waltham, "for hours."

Members of the police and confirmed businesses in the area were being evacuated, but said a decision had been made not to evacuate the retirment community.

UPDATED, 12:35 p.m.: The leak is actually at 1111 Lexington Street near Friendly's, and not 111 Lexington St., as preliminary information indicated.

According to Waltham Police, northboudn traffic at Lexington Street and Trapelo Road is closed for.

The city is advising motorists to seek alternate routes.

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Firefighters are responding to a major natural gas leak at 111 Lexington St., according to Patch correspondent Stephen Walsh.

Authorities are evacting area businesses, according to Walsh. The gas company has not issued a time at which they will arrive at the scene, according to Walsh.