Several fights then erupted on the ice as spectators threw beer cups and other debris from the stands.

The robot was not well-received, and the spectators threw objects at it.

Four competitors were disqualified for taking trains as a shortcut and spectators threw nails in the road.

One overexcited spectator threw a flare onto the pitch.

Just before the start of the final, a spectator threw a plastic beer bottle at the competitors in the starting blocks.

A spectator then jumped onto the pitch and threw punches.

At times, spectators even threw objects at him while he was playing.

The other two took turns standing in an empty kiddie pool while spectators threw rotten onions and tomatoes at them.

When Orr scored, one spectator threw a pizza into the end zone.

Last week, a policeman with a family was killed in Sicily when spectators threw a bomb at him.