Bruins' Pastrnak Signs Contract Extension

In today’s Daily Debrief, a multi-car crash leads to utility poles falling to the ground like dominoes, closing down a huge stretch of a busy street in Stoneham. How long will it take to clean the mess up? Plus, the family of a man dragged to his death by a Red Line train files a lawsuit against the MBTA, and a huge sigh of relief from Bruins fans, as the team announces a contract extension with their top scorer, David Pastrnak.