11.   On some occasions the attacks have been preceded by warning calls to allow Palestinians to take cover.

12.   Several relatives expressed hope Thursday that the revelations would intensify pressure for a high-powered investigation into possible intelligence and security failures preceding the attacks.

13.   The tank attack was preceded by an Israeli-Palestinian gun battle.

14.   The rebel attack was preceded by a barrage of mortars on the perimeter of the army camp, military officials said.

15.   Major Koos Sol said the missile attack was preceded by intense shelling of the town and surrounding areas.

16.   Most rebel attacks are preceded by such warnings.