CCTV:New York,June 10/08:A school prank gone wrong on Long Island is caught on tape.Police said a group of students, dismissed early from Uniondale High School during the June 10th heat wave vandalized a 7-11 store.They're seen grabbing items off shelves and throwing items on the floor. According to police, they also stole candy and beverages from the store.Three teenagers are charged with riot and petty larceny.