Three men and a woman were arrested today by police investigating an IRA bomb atrocity more than 30 years ago in which nine people were killed.

Nightclubbers are to be questioned by police investigating a suspected arson attack that claimed the life of a fireman, it emerged tonight.

A republican facing a police murder charge will not be extradited from the Republic of Ireland provided the INLA’s five-year ceasefire holds, it was claimed today.