This week, it was revealed that BBC executive Stephen Nolan had shared a sexually graphic photo with other members of staff.
According to the Irish News, one of the allegations against Nolan is that he shared a photo of disgraced TV personality Stephen Bear with colleagues.
Bear, who is presently serving a 21-month sentence for voyeurism and revenge porn, was apparently desired by Nolan to appear on his show back in 2016.
On Friday, when Nolan returned to Radio Ulster, he addressed the charges just seconds into the broadcast.
He said to his listeners: “We have had days, as you probably know, of headlines about me and the Nolan team in the papers this week.
“I am not ignoring the story. It is just that the BBC has processes in place to deal with staff complaints and I do need to totally respect those processes.
“They have got to be confidential for them to work.
“I can say one thing though and it is that I am sorry.
“There was a photograph, it was widely available on the internet and I was talking to a long-term friend and peer outside of work.
“I am deeply sorry,” he added.
Director of BBC Northern Ireland Adam Smyth had addressed the reports earlier this week after the allegations were made public.
He told BBC News NI: “There are important considerations of fairness and confidentiality involved in the handling of any workplace-related complaint.
“We take these obligations seriously – and in the interests of everyone involved.
“It is for these reasons that we cannot comment on the specifics of any individual case, who/what it may have involved or its outcome.”