1.   A bigger challenge will be turning the Yemeni security forces into an effective al-Qaida hunting machine.

2.   The Yemeni official who disclosed the letter also said some Yemeni security officials failed to cooperate fully with American investigators.

3.   Police also stepped up security around U.S. companies and diplomatic homes in the country, the Yemeni security official said.

4.   A German woman freed by Yemeni kidnappers to carry their demands to authorities will not return to captivity, a Yemeni security official said Monday.

5.   A team of American army officers has been inspecting security at the Yemeni port of Aden, Yemeni security officials said.

6.   A team of FBI agents and investigators left Yemen on Wednesday, a day after the terror attacks in New York and Washington, Yemeni security officials said.

7.   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.

8.   A Yemeni security official denied Monday that Americans or their interests were at greater risk.

9.   An FBI team is due to arrive in Yemen shortly, Yemeni security officials have said.

10.   Before leaving Aden, each hostage was interviewed by Yemeni security officials for their account of the killings.