The gunman began firing into traffic in Cambridge with an assault-style rifle.

Two people were shot and left with life-threatening injuries after a gunman began shooting into traffic in Cambridge on Monday afternoon near Harvard University, according to officials.

Middlesex County District Attorney Marian Ryan said during a press briefing after the incident that a gunman with an assault-style rifle was "actively firing in an erratic fashion at various vehicles."

The shooting occurred in the vicinity of Memorial Drive and River Street before 1:30 p.m.

Massachusetts State Police said at least one person was left wounded after a gunman began shooting into traffic in Cambridge on May 11, 2026.

WCVB

A trooper and a civilian, a former Marine, fired their weapons and struck the gunman, who was later identified as Tyler Brown, multiple times, according to the DA.…