During WW2 when Irish seamen were captured on British-flagged vessels they were not accorded POW status, they were treated as slave labourers. Remember them:

Irish Heroes Return Bremen Farge May 2010
(You tube “Bremen Farge” “Irish Heroes Return Bremen Farge May 2010 http://www.youtube.com/watch?v=WgC2PCCd13o” is no longer there)

Irish Heroes Return Milag Nord Westertimke April 2010
You Tube “Milaf Nord” “http://www.youtube.com/watch?v=QY7WVVYhAeg” is also gone

Irish Heroes Return Bordeaux April 2010
You tube “Bordeaux” “http://www.youtube.com/watch?v=nE_WfhGe6lc” as has this