Charlie Sheen back in rehab, LiLo worried

"Two and A Half Men" actor Charlie Sheen has entered rehab, his publicist said on Friday, a day after being hospitalised following reports of a 36-hour drug and drink-fuelled party at his home.

"Charlie Sheen has voluntarily entered an undisclosed rehabilitation centre today. He is most grateful to all who have expressed their concern," the actor's spokesman Stan Rosenfield told Reuters.

Actress Lindsay Lohan is among those sympathisers, she believes Charlie Sheen is in the midst of a "life or death situation", TMZ reports. She has told friends she's "thrilled" that he's checked himself into reha, but that she is worried because Sheen's most recent bender shows "obvious signs of addiction" ... something Lindsay knows about all too well.

Rosenfield said that Sheen had asked for his privacy to be respected and that no additional informational will be provided.

CBS said in a statement that production on "Two and A Half Men" was being put on hold and that it supported Sheen's decision.

Sheen, 45, the highest paid actor on US television, was rushed to a Los Angeles hospital with severe abdominal pains on Thursday.

Sheen reportedly earns about $27.5 million a year for his starring role as a womanising bachelor on "Two and A Half Men," the No1 comedy on U.S. television with some 15 million weekly viewers.

But his personal issues, including stints in rehab, an admitted penchant for porn stars and prostitutes, and a 2009 attack on his wife, have dominated headlines for the past year and caused concern among network executives at CBS, which broadcasts the show.

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