NEW YORK - Television star Kelsey Grammer is back in hospital with an irregular heartbeat, two months after suffering a heart attack the actor has said nearly killed him, a celebrity news program reported on Monday.

The 53-year-old actor, best known from "Cheers" and his sitcom "Frasier," has checked into a hospital in New York after feeling faint, "Entertainment Tonight" said.

" is being treated for an irregular heartbeat, which we've learned could be a result of medication he was taking for his recent heart attack," the program said in a statement.

The program said Grammer had canceled several television appearances on Monday to promote the political comedy "Swing Vote" that opens August 1. He will remain in hospital for observation for another day.

Grammer felt chest pains while paddle-boarding with his wife in Hawaii last month where they have a second home and was taken to hospital where he was found to have suffered a heart attack. It came three weeks after he learned the Fox network was canceling his new show, "Back to You," in which he played a womanizing TV news anchor.

The star gained fame portraying the snooty but lovable psychiatrist Dr. Frasier Crane for 20 years, first as a supporting player on the NBC comedy hit "Cheers" and then as the star of his own Emmy-winning spinoff series, "Frasier."

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