11.   The negotiations have taken on added importance in the wake of the bomb attack.

12.   Luis Carrero Blanco, in a bomb attack in Madrid.

13.   By late April the Greek authorities were holding five Palestinian students whom they suspected of involvement in the attempted bomb attack.

14.   The Poles reported Warsaw under bomb attack and wanted help, immediately, from whoever would honour their commitments.

15.   A soldier has died after a triple bomb attack in Northern Ireland.

16.   The pro-Iranian Islamic Jihad group has admitted it carried out the bomb attack on the Israeli embassy in Buenos Aires in which eleven people died.

17.   Two Egyptians have been killed and six British tourists injured in a bomb attack on a coach in Cairo.

18.   The IRA has admitted carrying out bomb attacks at an oil refinery and gas storage plant on Tyneside.

19.   The outlawed Loyalist terror group the Ulster Freedom Fighters has admitted carrying out three bomb attacks on members of the SDLP.

20.   Israeli warplanes have attacked three sites in eastern Lebanon to avenge a bomb attack on soldiers for which the pro-Iranian Hezbollah has claimed responsibility.