A moped driver was arrested late on July 4th in Revere after police said he struck a trooper who was trying to de-escalate an aggressive crowd.

A Massachusetts State Police trooper was hit by a moped and injured while trying to de-escalate an “aggressive” crowd of hundreds gathered and setting off illegal fireworks in Revere

A trooper was injured when he was struck by a moped in Revere, Massachusetts, on the Fourth of July, according to state police, who say this is the second time in just two weeks that a trooper has been hurt by an aggressive driver.