Former RUC chief constable Ronnie Flanagan was unaware that Special Branch officers kept files on solicitor Rosemary Nelson, the public inquiry into her murder heard today.

The head of British Intelligence in the North is among a string of security chiefs to have been quizzed by the inquiry into the murder of solicitor Rosemary Nelson, it emerged today.

A public inquiry into the murder of solicitor Rosemary Nelson will begin its hearings in Belfast today.