1.   At this point, the FBI, which leads a multi-agency task force investigating the blast, is saying little at all.

2.   A senior Saudi official, speaking on condition of anonymity, said the deadly blast would be investigated as a possible terrorist attack aimed at Westerners in the capital.

3.   In investigating blasts, pathologists look for certain burns of the skin, mouth and airways, damage to the lungs.

4.   Shots rang out as U.S. soldiers came running to investigate the blast.

5.   Police are investigating the blast, the report said.

6.   Police are investigating the blasts and said they are trying to ascertain whether the bombs were of TNT connected to a remote-controlled detonator.

7.   Police said they are investigating the blast but had no leads.

8.   Police said they are investigating the blast, caused by a large amount of dynamite, but have no leads in the case.

9.   Police said they were investigating the blast, and would not say who they thought planted the explosive device.

10.   Police already have formed a special task force to investigate the blast.