1.   After the missile tube was found, U.S. commanders checked their records but found no reports of such an attack from any U.S. aircraft.

2.   After the missile tube was found, U.S. commanders tightened security around the base.

3.   Police found many tubes of superglue at the clinic which staff members told them was used for treating pimples, he said.

4.   The missile launch tube was found last month by patrolling guards.

5.   This contradicted an earlier police statement that a tube had been found near the scene.

6.   Two cyanide-laced tubes were found on supermarket shelves by authorities before they were purchased.