The on Tuesday night has been identified by friends as 26-year-old Burrell Ramsey, according to Fox News.
Boston Police have not yet released the name and would not confirm the identity of the suspect.
Police enacted a traffic stop on Ramsey around 5:45 p.m. on Tuesday night, they said. That's when Ramsey pulled out a gun and began to flee, refusing to put down the weapon, police said.
Ramsey ran down Dartmouth Street towards Columbus Street, police said. Two officers pursued him and one of them fired a shot, which hit him in the chest, killing him. He was later declared dead at Boston Medical Center.
Police have not released further information as to why Ramsey was pulled over in the first place. Boston Police and the Suffolk District Attorney's office said on Wednesday morning that .