Sir Jeffrey Donaldson resigns as Democratic Unionist party leader

Lagan Valley MP announces he is stepping down in abrupt move that will jolt British and Irish governments

Sir Jeffrey Donaldson has resigned as leader of the Democratic Unionist party (DUP), again throwing Northern Ireland politics into turmoil.

Donaldson announced on Friday he was stepping down in an abrupt move that stunned his party and jolted the British and Irish governments.