R v Secretary of State for Home Affairs, ex p O'Brien
A 1923 TEST CASE IN ENGLISH LAW THAT SOUGHT TO HAVE THE INTERNMENT AND DEPORTATION OF IRISH NATIONALIST SYMPATHISERS EARLIER THAT YEAR DECLARED LEGALLY INVALID
R v Secretary of State for Home Affairs ex parte O'Brien
R v Secretary of State for Home Affairs ex parte O'Brien [1923] 2 KB 361 was a 1923 test case in English law that sought to have the internment and deportation of Irish nationalist sympathisers earlier that year declared legally invalid. In March 1923 between 80 and 100 suspected Irish nationalists in Britain were arrested by the police and sent to the Irish Free State under the Restoration of Order in Ireland Act 1920 (ROIA).