A single UN helicopter has been made available for the delivery of aid to evacuation centres.

UN helicopters, Mr Karadzic said, were 'free to perform their humanitarian functions regarding food and evacuation'.

Last night, however, the Bosnian Serbs denied firing on the UN helicopters, which they accused of dropping explosives.

A couple of months before, they had fired on a UN helicopter that strayed too close to the embassy, wounding the pilot.

He was more serious about his job than the guy who shot up the UN helicopter.

UN helicopters were flown by Ukrainian Ground Forces crews seconded to the United Nations.

When I heard I left my men and came up here in a UN helicopter.

A UN helicopter attempting a reconnaissance mission to the area where the troops were seized was hit by Khmer Rouge gunfire on Dec. 2.

In fact, Spriggs-Payne primary activity consists UN helicopter and aircraft operations.

The Eritreans have already stopped UN helicopters from monitoring the frontier.