Sinn Fein is seeking a debate at the Stormont Assembly on yesterday's collusion report from the Police Ombudsman.
The report says RUC Special Branch officers protected a loyalist gang responsible for up to 15 murders between 1991 and 2003 because its leader was a paid informer.
Sinn Fein has tabled a motion in the transitional Assembly seeking a special session to debate the matter on Friday.
The SDLP, meanwhile, is urging the Ombudsman to widen her investigation and examine how the police handled loyalist informers throughout the North.
Yesterday's report only dealt with one small gang of UVF members in the Mount Vernon area of north Belfast.