chiefs have vowed to take revenge on those responsible for the attack on Vinnie, whose 32-year-old brother Alan was shot dead in 2012.
spokesperson denied his organisation killed O'Connor.
A statement purporting to be from the newly-reformed RIRA
read: "The recent knife attack on a well-known republican has sparked outrage among the newly-reformed RIRA
A source last night said: "The gang that once ruled North Dublin was run by slain RIRA
boss Alan Ryan.
The source said: "They used to think that they were invincible when they had the backing and protection from the RIRA
guys in the North.
Now the four accused, Liam Rainey, 30, Gerard McCrory, 32, Harry Fitzsimons, 35 and Thomas Tolan, 32, who share a landing with other RIRA
inmates, are working together to bring the system down.
leader wanted to shoot a policeman in Londonderry, but McKevitt rejected that because the plan was not sufficiently spectacular.
Prosecution have alleged that the Ealing bomb - which exploded around midnight - was the second of three blasts planned by the RIRA
Seamus Daly, 44, is on remand in prison over the RIRA
atrocity in 1998 in which 29 people, including a mum expecting twins, were killed in the Co Tyrone town.
It is no wonder that other former associates of slain RIRA
boss Alan Ryan have now gone to ground fearing they might be next on the hit list after Declan Smith.
O'Connor had been arrested with three other men in Monaghan and charged with RIRA
The statement comes from the faction led by RIRA
founder Michael McKevitt who has been talking about a ceasefire for some months.