Hartford police said a gas leak in the area of Park Street and New Park Avenue has prompted street closures.
Sisson Avenue, along with part of Park Avenue, Park Street and New Park Avenue are closed off.
Officials said Key Bank and another building in the area were evacuated as a precaution, as there was an odor of gas in both buildings.
Hartford Fire, Police, CNG and Eversource are on scene.
Travelers are urged to seek alternate routes.
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