41.   The Yemeni security officials said they believed the men belonged to an Islamic extremist group, which they did not name.

42.   They also collect information on the Yemeni security apparatus, according to the officials.

43.   They said they wanted to apply for U.S. visas, but embassy security officers became suspicious and detained them, Yemeni security officials said on condition of anonymity.

44.   Two British men and an American woman were killed on Tuesday when Yemeni security forces attempted to rescue them from Islamic extremist kidnappers, a Yemeni security official said.

45.   U.S. security experts and British detectives from Scotland Yard arrived in Yemen late Friday to investigate the incident, a Yemeni security official said.

46.   Westerners freed after a shootout that killed four foreign tourists said Wednesday that the battle started when Yemeni security forces attacked Islamic militants holding the foreigners hostage.

47.   Westerners freed after a shootout fatal to four foreign tourists said Wednesday that the battle started when Yemeni security forces attacked Islamic radicals holding the foreigners hostage.

48.   Yemeni security forces have detained more than a dozen people for questioning, but no arrests have been announced.

49.   Yemeni security forces seized a truckload of weapons and ammunition Thursday, apparently headed for a remote border area where two tribes have been fighting.

50.   Yemeni security officials have said police also have stepped up security around U.S. companies and diplomatic homes in the country.