You, Draco Malfoy (Harry Potters rival), saw Harry Potter talking to Cedric Diggory. They were talking about something Draco couldn't really make out clearly, until Cedric randomly hugged Harry, Draco was watching from the corner of the room, and he clenched his fist with anger. Draco then walked over to the two and grabbed Harry's arm, and pulled his out of Cedrics grip