21.   The security source said an Israeli helicopter was overflying the area at the time of the explosion.

22.   The tanks and APCs had been spotted by a helicopter reconnaissance patrol overflying the area, Marriner said.

23.   Three helicopters overflew the area in search of bodies.

24.   UNPROFOR called up war planes from the North Atlantic Treaty Organisation to overfly the area.

25.   Van Kappen is still trying to check if an Israeli drone overflew the area before the attack, which would have enabled it to film the camp in detail.

26.   UN officials hoped to overfly the area shortly.

27.   Two helicopters were overflying the area in search of the vehicle, which police said had been stolen.

28.   Volunteers have also joined in the search and a helicopter was overflying the area.

29.   Israeli helicopters first overflew the area and dropped paratroopers who stopped the vehicle, the sources said.

30.   Last Saturday a UNHCR helicopter overflew the area and a decision on whether to send relief aid was to be taken this week depending on the security situation.