Latest: Denis O'Brien 'disappointed' by rejection of legal action against State and Dáil

Latest: In a statement this afternoon, Denis O'Brien has said he is disappointed by today's judgment and intends to study it in detail before deciding whether to appeal.

Update 2.45pm: In a statement this afternoon, Denis O'Brien has said he is disappointed by today's judgment and intends to study it in detail before deciding whether to appeal.

However he said he was encouraged by several sections of the adjudication by Ms Justice Úna Ní Raifeartaig.