11.   As the hostages were fremd, U.N. peacekeepers withdrew from five observation posts and four weapons collection points around Sarajevo.

12.   Bosnian Serbs moved in on three U.N. weapons collection points Sunday night, but left Monday morning, Coward said.

13.   Besides the shelling of Tuzla, Serbs stormed three U.N. weapons collection points around Sarajevo and fired mortars from them, U.N. officials said.

14.   Both Serb and government forces raided U.N. weapons collection points Friday night to get more guns, U.N. officials said.

15.   Bosnian Serbs moved in on three U.N. weapons collection points on Sunday night, but left Monday morning, said U.N. spokesman Lt. Col. Gary Coward.

16.   Both Serb and government forces raided U.N. weapons collection points overnight to get more guns, U.N. officials said.

17.   But Sol said later that Bosnian Serb blocked all nine U.N. weapons collection points and were not permitting peace keepers to leave.

18.   During the duels, Serbs raided U.N.-monitored weapons collection points and used the big guns to fire on government positions.

19.   During the mortar duels, Serbs raided U.N.-monitored weapons collection points and used the big guns to fire on government positions, U.N. officials said.

20.   During the mortar duels, Serbs raided U.N.-monitored weapons collection points and used the heavy weapons to fire on government positions, U.N. officials said.