21.   Tensions rise outside besieged Belfast school as grenade blast hurts four police officers.

22.   The area resounds with grenade blasts and staccato firing.

23.   The blasted rooms were scattered with blood-soaked mattresses and limbs severed by grenade blasts.

24.   The grenade blast came on the third day of a face-off that has produced searing images of terrified young girls in red school sweaters and ties.

25.   The pontiff will view Manila through a four-inch thick glass bubble atop the vehicle designed to withstand grenade blasts and machine gun fire, organizers said.

26.   Vassilopoulos, who submitted his resignation from his hospital bed, suffered a ruptured ear drum from the grenade blast.

27.   When it was refused, Afghan and U.S. forces attacked in a burst of grenade blasts and automatic weapons fire.

28.   Witnesses reported grenade blasts as well.

29.   Grenade blasts and random gunfire paralysed Bujumbura for the third day running Wednesday as violent protests continued against a government crackdown on Tutsi militias, launched last week.

30.   In another incident, a grenade blast injured a child near the airport at Bukavu in eastern Zaire, the World Food Programme said.