41.  Israeli army officials suspect that the gunmen were Palestinian militants, committing the first successful terrorist attack on Israelis since early November.

42.  It is the first British attack against Japan proper.

43.  It was the first such attack on tourists in a resort town on the Red Sea.

44.  It would not have been the first planned attack against Americans.

45.  It was the first such attack since July.

46.  More realism and cooperation from Saudi authorities after the first bomb attack might well have helped prevent the second.

47.  Ms. Roche was also the target of the first attack of the campaign.

48.  On Wednesday, hours before Marusak and Ramel faced the intruder in their tent, wildlife officials killed a bear they suspected of the first attack.

49.  On Friday, allied jets dropped precision-guided weapons on a radar installation in the northern zone, the first such attack since February.

50.  Pakistan vowed to retaliate for the first border air attack in years in a dispute that has raged intermittently for more than half a century.