1.   Conflicting reports about the bomb at Subic indicate it may have been part of a security drill.

2.   Passengers aboard the plane say the pilot had announced the episode was a security drill.

3.   Passengers on board a plane that was reportedly hijacked from Bombay to New Delhi said Thursday that the pilot had announced the episode was a security drill.

4.   Another passenger contradicted other passenger statements that the pilot announced a security drill.

5.   Another passenger contradicted other passenger statements that the pilot had announced a security drill.

6.   But the possibility of violence remains, and security drills were conducted Sunday at Wimbledon, part of the normal tournament preparation.

7.   Civil Aviation Minister Shahnawaz Hussain insisted there had been no government-planned security drill.

8.   Civil Aviation Minister Shahnawaz Hussain insisted that the episode was not a government-planned security drill.

9.   During security drills Thursday, handcuffed U.S. troops struggled mightily as fellow servicemen marched them to waiting cells in rehearsals.

10.   Final security drills will be held.