-- Police arrested the Dorchester man responsible for the February 27th lunch brawl at West Roxbury High School. Edwin Reyes, 39, surrendered to police yesterday. Police say that Reyes led a posse of four adults, including his two brothers and an unidentified woman, to assault a West Roxbury student who had allegedly beat up Reyes's son. Reyes stands accused of punching a West Roxbury student and driving his car into a school police officer while......