Ozzy Osbourne [ tickets ] suffered serious injuries in an all-terrain vehicle accident on Monday (12/8), and was undergoing emergency surgery at an undisclosed hospital in England, according to a statement issued by his publicist.

Osbourne is said to have broken his collarbone, six ribs and a vertebra in his neck. Doctors were working to lift his collarbone, which was thought to be impacting a major artery and limiting the flow of blood to his arm. Surgeons were also trying to stop some "bleeding into his lungs," according to the statement.

The injuries were not considered to be life-threatening, his publicist added.

Osbourne was riding the ATV on his property in Buckinghamshire, England, when the accident occurred. He had been in the U.K. to promote the British release of "Changes," a duet with his daughter Kelly.

No further information was immediately available.

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