TNT has apologised after comedian Tracy Morgan made a lewd comment about Sarah Palin during an unscripted interview.

The hosts of Inside the NBA were talking about the relative attractiveness of Tina Fey and Palin when Fey's 30 Rock co-star Morgan joined the conversation.

Co-host Charles Barkley said to Morgan: "Let me ask you one question. Sarah Palin's good looking, isn't she?"

Morgan replied: "Hell yeah, absolutely... Yo, let me tell you something about Sarah Palin, man. She's good masturbation material. The glasses and all of that? Great masturbation material."

In a statement to The Hollywood Reporter, TNT said: "It's unfortunate Mr. Morgan showed a lack of judgement on our air with his inappropriate comments."

The incident occurred before last night's match between the New York Knicks and Miami Heat at Madison Square Garden.

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