1.   Intense fighting was reported Tuesday in northern Bosnia, even as warring faction leaders held a second day of talks on an overall cessation of hostilities.

2.   But neither Abdic nor the Croatian Serbs signed the overall cessation of hostilities and UN negotiators have been hampered in efforts to end clashes with the Bosnian army.

3.   The overall cessation is to be supervised by UN Protection Forces through joint commissions of Serb and government representatives.

4.   The re-positioning was arranged under an overall cessation of hostilities accord that was signed by government and Serb political and military leaders on Satrurday under UN auspices.