Update: Victims killed by stabbing and blunt force trauma. Signs of forced entry. Potentially related forced entry break in 0.5 mile away at 5:45 AM. DA asks residents to lock doors, be vigilant, and report unusual activity immediately.

[This is an evolving story and will be updated] Three people were found dead this morning at a home on Broadway in the Nonantum village of Newton. At 4:30 PM, Newton Mayor Ruthanne Fuller put out the following press release from Middlesex District Attorney Marian Ryan and Newton Police Chief…