An after-school brawl in East Williamsburg, Brooklyn led to the discovery of a gun on Tuesday, according to police. Authorities said they believe the gun fell from the waistband of one of the people involved in the fight. A fight broke out across the street from the Grand Street Campus High School on Grand Street just before 2:45 p.m. Responding school safety agents found the gun, which is now in police possession. Click here to read more on abc7ny.com.