WORCESTER, Mass. (WPRI) — Authorities have identified the 31-year-old man who was killed by Worcester police after they say he charged toward them wearing body armor and carrying a rifle.

Worcester County District Attorney Joseph Early said police received a 911 call around 10:30 p.m. Tuesday from a man, later identified as Phet Gouvonvong, in the Grafton Street area claiming to have a bomb and a rifle.

Officials say Gouvonvong was threatening to detonate the device. The SWAT team was called in to assist.

During negotiations with Gouvonvong, he advanced towards the police and that’s when the officers shot and killed him.

Anyone who was at the scene or has video of the incident is asked to contact Worcester police at (508) 799-8651.