11.   A policeman tried to get motorists to drive around the cobra.

12.   A policeman tried to take the signs, but the protesters refused.

13.   At one point, Palestinian policemen tried to push back the stone throwers, but the youngsters easily darted around the officers.

14.   At one game, fans who invaded the field kicked and punched referee Costas Constantinou as policemen tried to escort him to the dressing rooms.

15.   Bosnian policemen tried to calm the crowd, but crowd members responded by shoving the police.

16.   In some areas, Palestinian policemen tried to contain protests, though in other cases they did not interfere.

17.   Indonesian officers confirmed the deaths, but said the paramilitary policemen were trying to engage guerrillas of the Free Aceh Movement.

18.   Policemen desperately tried to wave traffic away as supporters marched up and down the middle of the road.

19.   Some news reports said the policeman apparently tried to rob passengers on the train.

20.   The dead at the Wednesday night festival in southern Peru included a policeman electrocuted trying to pull a victim away from the electric current.