11.   The ambush on four men and one woman in two clearly marked U.N. vehicles sent shockwaves through the aid community in Rwanda.

12.   The assailants dragged Asiku from the car, shot him and then blew up the clearly marked WFP vehicle, the statement said.

13.   The ambush of two clearly marked U.N. vehicles sent shock waves through the aid community in Rwanda.

14.   The ambush Tuesday on five men in two clearly marked U.N. vehicles horrified the aid community in Rwanda.

15.   The deaths of the five men in an ambush of two clearly marked U.N. vehicles sent shock waves through the aid community in Rwanda.

16.   The gunmen eyed a marked U.S. Embassy vehicle idling in the road, but did not come near despite its obvious value.

17.   The group was traveling in two marked Red Cross vehicles but without an armed escort as there was no perceived risk.

18.   Five UN human rights workers, including three Rwandans, were killed Tuesday while they were driving in marked UN vehicles in the southwestern province of Cyangugu.

19.   The five -- a Briton, Cambodian and three Rwandans -- were killed Tuesday while they were driving in marked UN vehicles in the southwestern province of Cyangugu.