SARAJEVO. Dec 11: Serb gunmen hijacked a UN fuel convoy and today banned all heavy UN vehicles from their territory reports AP

Bosnian Serbs have grown Increasing brazen In their interference with UN operations in recent Weeks, and IJN officials warned on Saturday that a Serb embargo on fuel had nearly halted aid supplieMo Muslim enclaves.

The Serbs went so far today as to refuse to allow a plane carrying the UN commander in Bosnia. U Gen Sir Michael Rose, to land at Sarajevo airport

Rose instead. had to return by land from a failed mission to vlalt his trapped soldiers tn northwestern Blhac - 8 trip blocked by Serba In neighbor mg Croatia.

A three truck Daniah fuel

convoy was hijacked in Bosnian Serb territory near the airport Saturday night after gunmen, armed with rifles and rocket -propelled grenades, blocked the front and rear of the bon voy. von Merveldt said

With one armed Serb in each vehicle, the convoy was forced to go to Serb-held Sarajevo. where the peacekeepers were questioned. Serbs then agreed to release the troops, but two Daniah officers refused Io leave They were believed to be somewhere in the Serb held part of the city, where the fuel cargo was presumably unloaded, von Merveldt said

AFP adds NATO military leaders gather In Brussels tomorrow to decide on whethei to provide combat or logistical units to help United Nations forces withdraw from Bosnia, diplomatic sources said.