11.   Yemeni tribes often kidnap foreigners force the government to finance local projects, and victims usually are freed unharmed.

12.   Yemen is famous for its archaeological sites and relics, most of them located in remote, mountainous areas that also serve as strongholds for Yemeni tribes.

13.   Yemen is famous for its archaeological sites and relics, most of them located in remote, mountainous areas that serve as strongholds for Yemeni tribes.

14.   Yemeni tribes freed an American oilman Thursday after holding him nearly a month, security sources in the Middle East nation said.

15.   Yemeni tribes have frequently kidnapped foreigners to press for money or government funding of development projects.

16.   Yemeni tribes have frequently kidnapped tourists, oil workers and diplomats to press their demands for money or government financing of projects.

17.   Yemeni tribes freed two kidnapped Americans on Thursday, including one held hostage nearly a month, security sources in the Middle East nation said.

18.   Yemeni tribes often kidnap foreigners to force the government to finance local projects, and victims usually are freed unharmed.

19.   Yemeni tribes have frequently kidnapped foreigners to press for money or government financing of development projects.

20.   Yemeni tribes have frequently kidnapped tourists, oil workers and diplomats to demand money or government financing of projects.