21.   Early Wednesday morning, in fact, NLA fighters killed a policeman at a checkpoint in a village outside of Tetovo, called Brvenica.

22.   Four Palestinian policemen were killed and more than two dozen people were wounded, six of them seriously, a local hospital reported.

23.   Four policemen were killed and two injured.

24.   Four Russian policemen were accidentally killed Sunday when Russian helicopter gunships mistook them for rebels, the Dagestani Interior Ministry press service said Monday.

25.   Gunmen opened fire on the American Center in Calcutta, killing four policemen.

26.   He ultimately ends up on death row in South Carolina for killing a policeman, bitter and unwilling to fight for his freedom even though the shooting was accidental.

27.   In all, two policemen were killed and six soldiers and policemen were wounded in Guerrero.

28.   In Bo- gota, a riot policeman was killed at a university, and a protest outside the U.S. Embassy also turned vio- lent.

29.   In February and March the group was killing several policemen a week.

30.   In all, two policemen were killed and six soldiers and policemen wounded in Guerrero.