11.   He was hailed for days as a hero for discovering the knapsack that contained the bomb and for helping to evacuate bystanders before it exploded minutes later.

12.   In Moscow, trolleys are a very inexpensive and popular way to travel, and the fear that any one of them could contain a bomb was palpable Friday.

13.   In the immediate aftermath of the explosion, Jewell had won acclaim for discovering the backpack that contained the bomb while working as a security guard in the park.

14.   Investigators traced the baggage containing the bomb to a container placed aboard the plane at a stop in Brazzaville, Congo.

15.   It contained a bomb.

16.   Investigators have said that the bomb was contained in a pair of glass mayonnaise jars.

17.   Jewell, who first directed the police to the knapsack containing the bomb and then helped clear park visitors away from the area, answered negatively in each instance.

18.   Its gunner fired at any roadside container that could contain a bomb.

19.   Jewell, who first directed police to the knapsack containing the bomb and then helped clear park visitors away from the area, answered negatively in each instance.

20.   Miltiades was watching television news Monday when a military issue ALICE pack similar to the one containing the bomb was displayed.