11.   Serb anger over the detention of two Serb army officers by police in government-held Sarajevo.

12.   Serb anger at the arrest of the two officers and such attacks have led the NATO force to step up security.

13.   Serb anger has prompted wartime leader Radovan Karadzic, who was twice indicted for genocide, to try and end a power struggle with Bosnian Serb President Biljana Plavsic.

14.   The explosion came at a time of growing Serb anger following the killing of Drljaca.

15.   The peace force faces a complex challenge trying to soothe Serb anger while acknowledging that the Bosnian government has the right to detain suspected war criminals.

16.   The tougher Western approach has stirred Serb anger, particularly with Americans.

17.   The tougher Western approach has stirred Serb anger.

18.   But despite Serb anger at the new acronym, in Zagreb on Thursday the UN played down Serb demands that blue helmets leave their territory.