April 21, 2015 5:45 pm D.A.: No Criminal Charges Will Be Filed in Deadly Back Bay Fire The investigation into the March 2014 fatal Back Bay fire that claimed the lives of two firefighters has concluded — and criminal charges will not be sought. US & World Videos 0:25 One person in custody after disturbance in Methuen 47:27 Watch: Celebrating Pride in Boston parade kickoff show