Analysis of information sources in references of the Wikipedia article "Seamus Twomey" in English language version.
The helicopter touched down in the centre of the compound outside D-Wing, where political prisoners had been exercising. Upon landing, Séamus Twomey, Chief of Staff of the IRA, JB O'Hagan, Quartermaster of the IRA, and Kevin Mallon, an IRA activist since the 1950s campaign, ran forward and boarded the aircraft.
The helicopter touched down in the centre of the compound outside D-Wing, where political prisoners had been exercising. Upon landing, Séamus Twomey, Chief of Staff of the IRA, JB O'Hagan, Quartermaster of the IRA, and Kevin Mallon, an IRA activist since the 1950s campaign, ran forward and boarded the aircraft.