Ewen MacIntosh has said that he is suffering "bad times" in hospital as he receives treatment for a mystery illness.
The 48-year-old is best known for his role as Big Keith in The Office and recently reunited with Ricky Gervais for a cameo role in the third season of After Life.
In a social media post on Sunday afternoon - his first update in a week - MacIntosh shared a picture of himself shirtless in a hospital bed with what appeared to be electrodes attached to his upper chest.
The accompanying message said: "Bad times for me I'm afraid chums. Stat strong out there"
MacIntosh has not yet revealed what he is receiving treatment for.
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