1.   Vargas claimed that the company had recently called in the military to protect one of its sites against armed tribesmen.

2.   One day a high administrative official of the region asked Green to travel with him into the mountains to meet two rival groups of armed tribesmen.

3.   A tribal chief began negotiations Monday for the release of a British oil worker kidnapped over the weekend by armed tribesmen, a Yemeni security official said.

4.   Armed tribesmen engaged in a yearlong land dispute with police have kidnapped a German diplomat, tribal chiefs said Saturday.

5.   Armed tribesmen in northeast India killed at least seven members of a rival tribe Wednesday, news agencies reported.

6.   Armed tribesmen who rule over large parts of Yemen kidnap foreigners for ransom to wrest concessions from the government.

7.   Armed tribesmen, who control large parts of Yemen, frequently kidnap foreigners to try to win concessions from the government in exchange for their release.

8.   Armed tribesmen, who control large parts of Yemen, frequently kidnap foreigners to try to win concessions from the government.

9.   Armed tribesmen, who control large parts of Yemen, frequently kidnap people to get their demands fulfilled.

10.   Armed Yemeni tribesman have kidnapped an Italian tourist, the Italian Embassy said Saturday.