51. The two forces traded artillery fire, but appeared to have made no ground advances, residents said.
52. The two forces clashed last Friday in the same region.
53. The two forces have been in conflict since last summer, when Western-backed Bosnian Serb President Biljana Plavsic tried to take control of the police.
54. The team would make recommendations on how the two forces could be reorganized, but would not be doing any weapons training, the source said.
55. The three forces will remain separate entities but will co-operate more closely.
56. The two forces have been fighting since last May over power struggle.
57. The two forces planned to hold exercises for two days to improve coordination in helping civilians at times of natural disasters in coastal areas.
58. The U.N. said it was friendly fire, although there has been some tension between the two forces.
59. U.S. and Kuwaiti troops launched a month-long exercise on Saturday to hone coordination between the two forces.
60. Unarmed residents have been killed, women raped and homes destroyed in shelling between the two forces.