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Bill Cosby tweets 'Thank You' to friends, family after his arrest on sexual assault charge

December 30, 2015. Actor and comedian Bill Cosby (C) arrives for his arraignment on sexual assault charges at the Montgomery County Courthouse in Elkins Park, Pennsylvania.

December 30, 2015. Actor and comedian Bill Cosby (C) arrives for his arraignment on sexual assault charges at the Montgomery County Courthouse in Elkins Park, Pennsylvania.  (Reuters)

Bill Cosby has tweeted a brief message to fans following his arrest on a sexual assault charge.

The message says, "Friends and fans, Thank You." It was sent Thursday from Cosby's Twitter account.

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The 78-year-old comedian was charged this week with drugging and sexually assaulting a woman in 2004 inside his home near Philadelphia. It's the first criminal case brought against Cosby out of the torrent of allegations that destroyed his good-guy image as America's Dad.

Cosby's attorney has said the charge is unjustified and predicted her client will be exonerated.

Cosby is free on $1 million bail pending trial.