Maurice McCabe calls for Nóirín O’Sullivan to stand aside during tribunal

The letter is understood to lay out a strong case for Ms O’Sullivan to step aside as her continued presence as commissioner would undermine the tribunal.
The move is likely to pile further pressure on her following calls from a number of politicians for her to step aside and the failure of the chairwoman of the policing authority Josephine Feehily to express full confidence in the commissioner continuing in her role.