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 on Friday night,

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 man was arrested near Revere Beach late on the Fourth of July after state police say he drove a moped through a massive crowd of unruly people and struck a trooper.