[1] In May 1920 a similar organisation led by Katherine Hughes was established in Montreal, The Irish Self-Determination League of Canada and Newfoundland.
[3] Those arrested, including both Irish and those born in Britain, were taken to either Liverpool or the Clyde where they were placed on destroyers and deported to Ireland.
[1] The detentions were successfully challenged through the British courts in R v Secretary of State for Home Affairs, ex p O'Brien, ending with a House of Lords ruling that there was no legal basis for the deportation and resulting in compensation being paid to the men involved.
James Hickey, one of the deportees from Glasgow, was beaten whilst in prison in Ireland and as a result lost the hearing in his right ear.
[1] Another deportee was Art O'Brien, editor of The League's London-based newspaper, The Irish Exile whose circulation peaked at 10,000 copies.