text: Bosnia Serb PM Resigns, Rejects Western Pressure  BANJA LUKA, Bosnia (Reuters) -  Bosnian Serb Prime Minister  Dragan Mikerevic stepped down on Friday, refusing to enact  police and army reforms demanded by top peace overseer Paddy  Ashdown.
inputs: Bosnia Serb PM Resigns, Rejects Western Pressure  BANJA LUKA, Bosnia (Reuters) -  Bosnian Serb Prime Minister  Dragan Mikerevic stepped down on Friday, refusing to enact  police and army reforms demanded by top peace overseer Paddy  Ashdown.