Latest: Taoiseach congratulates Michelle O'Neill after her appointment as North's SF leader

Update 8.56pm: Taoiseach Enda Kenny has congratulated MLA Michelle O'Neill following the announcement that she is to lead Sinn Féin in the Northern Ireland Assembly.

"I wish to congratulate Michelle O'Neill on her appointment as the new leader of Sinn Féin in the Northern Ireland Assembly," he said.