21.   In Aden, Yemeni security officials said the telephoned bomb threat from an unknown caller arrived around midnight.

22.   In Aden, Yemeni security officials said the telephoned bomb threat from an unknown caller came in around midnight.

23.   Police also stepped up security around U.S. companies and diplomatic homes in the country, Yemeni security officials have said.

24.   Saleh met with the head of the U.S. Central Command, Gen. Tommy Franks, to review military cooperation and evidence gathered by Yemeni security forces, SABA said.

25.   Saleh met with Franks to review military cooperation and evidence gathered by Yemeni security forces, SABA said.

26.   So far, Yemeni security forces have interrogated hundreds of port workers and others, including the head of the company that services U.S. warships.

27.   The arrest occurred soon after four tourists, including three Britons, who were kidnapped by Islamic militants were killed during a botched rescue attempt by Yemeni security forces.

28.   The cells also collect information on the Yemeni security apparatus, the officials said.

29.   The British ambassador has asked that Yemeni security forces not use force in their attempt to free a British family held hostage here, a government source said Sunday.

30.   The embassy has recently received a threat, a Yemeni security official told The Associated Press, without elaborating.