51.   A Palestinian security official was killed Monday in a gun battle.

52.   A plane carrying doctors and security officials landed Thursday afternoon in Aden and immediately proceeded to a local hospital and the ship, Clark said.

53.   A sporadic rain and the insistence of a Palestinian security official, Jibril Rajoub, that the transfer would not take place until Friday morning steadily reduced the crowd.

54.   A Palestinian security official said he had no conclusive proof of that claim.

55.   A Palestinian security official said the buildings were emptied of weapons a month ago and no one was hurt.

56.   A security official held up a hand, like a traffic cop.

57.   A security official waved me to the side, had me spread my arms and legs, and began waving his wand over me.

58.   A security official, speaking on condition of anonymity, said the Israeli army does not plant mines but does use concealed explosives activated by remote control.

59.   A senior Israeli security official said that Hezbollah, the Shiite Muslim militia based in Lebanon, was believed to be planning a sizable attack on Israeli border positions.

60.   A senior Israeli security official who oversees the protection unit resigned and another was suspended Wednesday as a result of the investigation.