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(TMZ) - UPDATE - 1:26 PM PT -- How's this for crazy ... sources tell TMZ, the lawyer for the victim in Chris Brown's hit-and-run case will be in court this afternoon to SUPPORT Brown against the D.A.'s allegations the singer violated his probation. 

As TMZ reported, the victim does NOT want Chris to go to prison over the car accident -- and her lawyer is prepared to say that in court today.

12:08 PM PT
 -- Chris Brown isn't happy ... he just tweeted:


Chris Brown is in HOT WATER -- because TMZ has learned the L.A. County District Attorney has just filed legal docs asking the judge in the Rihanna beating case to REVOKE HIS PROBATION.

According to the docs, obtained by TMZ, the D.A. is asking for the revocation based on charges being filed against Brown in connection with a hit-and-run last May.  Brown left the scene without forking over a California driver's license and proper insurance info.

The D.A.'s legal docs claim Brown "willfully and unlawfully" broke the law in the hit-and-run case.  And, law enforcement sources tell TMZ, even if the L.A. City Attorney ultimately agrees to drop the hit-and-run case because the victim doesn't want Brown prosecuted, the D.A. will press on because Brown has a duty to obey all laws as a condition to his probation.

The D.A.'s documents asks the judge to revoke his probation and immediately remand him into custody.  But TMZ has learned that's a standard request and when the D.A. goes to court today at 1:30 PM PT, they will not ask the judge to haul Chris to the pokey.

If the judge finds that Chris violated his probation, he faces 4 YEARS IN PRISON.


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