BROOKLYN - A night of roller skating in Brooklyn turned out to be anything but fun for four people Wednesday.Police say two men and two women in their 20's were shot as they were leaving the Empire Roller Skating Rink shortly before 1 a.m. Two of the victims were hit in the leg, one in the foot and one person was shot in the abdomen. They were taken to Kings County Hospital in stable condition. An employee says the rink is usually a safe place.Police are still searching for the gunman.