<p>Massachusetts State Police alerted</a> at least 70 gas-related explosions, structure fires, and leaks across Lawrence, Andover and North Andover on September 13. These videos show local area firefighters responding to homes and businesses.</p><p>Police announced</a> that “Residents in the affected towns of Lawrence/North Andover/Andover who have gas service from Columbia Gas should evacuate their homes immediately if they have not already done so.” Local media, quoting the mayor of Lawrence, said</a> that “over-pressured gas valves” were the cause of the explosions.</p><p>Engines from surrounding towns and as far away as Boston, responded. Credit: Boston Sparks via Storyful</p><br />
