41.   In an unrelated incident Sunday, two inmates were killed when guards tried to prevent an escape at the Eastern Preventive Prison outside Mexico City.

42.   Interior Ministry officials said troops had shadowed the gunmen and would try to prevent their escape.

43.   It has tried to prevent the escape of the Abu Sayyaf rebels with a naval blockade and seizure of private boats.

44.   ITAR-Tass said Kardanov then burst into a room from where the children were being evacuated and detonated both grenades, probably to prevent their escape.

45.   Pakistan sealed its border to prevent escape by any al-Qaida fleeing the fight.

46.   One prisoner and one woman, visiting her jailed husband, were killed in a brief shootout with guards, trying to prevent the escape.

47.   State police searched hotels and staked out the airport Tuesday in the capital of Chihuahua state to prevent her escape, the government news agency Notimex reported.

48.   The attempt apparently was foiled by wardens, who shot in the air to prevent the escape.

49.   The attempt was apparently foiled by wardens, who shot in the air to prevent the escape.

50.   The attacking mob had separated into two groups to prevent escape.