Authorities hunting killer of policeman in Northern Ireland seize gun , ammunition . Northern Ireland 's top police officer , Hugh Orde , insisted Sunday that the militant groups that want the province to leave the United Kingdom and become part of Ireland are `` small ... disrupted , infiltrated and disorganized . '' 3 more arrests over killings of Two soldiers and officer . Massereene bombs hurled at police after earlier arrests of two men . six republican groups have reportedly claimed responsibility for the killings .
Authorities hunting killer of policeman in Northern Ireland seize gun , ammunition . 3 more arrests over killings of Two soldiers and officer . Massereene bombs hurled at police after earlier arrests of two men . six republican groups have reportedly claimed responsibility for the killings .