BRENDAN O’Carroll, the star of the hit comedy show Mrs Brown’s Boys, has apologised over a “clumsy” joke where a “racial term was implied” during rehearsals for the upcoming Christmas special.

The BBC temporarily paused rehearsals to investigate the incident, which have since resumed in Glasgow at the broadcaster’s Pacific Quay studios in Scotland – with shows going ahead as planned, as first reported by the Mirror newspaper.

Mrs Brown’s Boys creator and star O’Carroll will return to his role as mischievous matriarch Agnes Brown in the Christmas Day and New Year’s Day specials.

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“At a read-through of the Mrs Brown’s Boys Christmas specials, there was a clumsy attempt at a joke, in the character of Agnes, where a racial term was implied,” O’Carroll said in a statement given to the PA news agency.

“It backfired and caused offence which I deeply regret and for which I have apologised.”

A BBC spokesperson said: “Whilst we don’t comment on individuals, the BBC is against all forms of racism, and we have robust processes in place should issues ever arise.”

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Last year, Mrs Brown’s Boys returned for a four-part series.

Despite being a regular feature on Christmas schedules for more than a decade, the episodes marked the first mini-series run since 2013.