Police on Long Island are investigating after high school students brawled with one another using baseball bats and brass knuckles following a lunchroom dispute. A family member of one of the students involved tells NBC 4 New York the brawl over the weekend was a manifestation of ongoing racial tensions between the students.The melee broke out Saturday afternoon in an industrial park in Ronkonkoma following a dispute at Connetquot High School in Bohemia, police and family members of those involved say. Authorities say about 10 students were involved in the fight, some bringing baseball bats and brass knuckles.