51.   Yemeni tribesmen frequently kidnap foreigners, including oil industry workers, to exert pressure on the government.

52.   Over the years tribesmen have kidnapped many foreigners in a bid to win concessions from the central government.

53.   Seven German tourists kidnapped by tribesmen in eastern Yemen last week were released Wednesday and flown to the capital Sanaa, officials said.

54.   Seven German tourists kidnapped by tribesmen in eastern Yemen nine days ago were released Wednesday and flown to the capital Sanaa, the German embassy here said.