Chris Brown must stay in jail for at least a month after he was arrested for violating probation.
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A California judge set no bail at a court hearing today and ordered the singer to stay behind bars.
As his mother sobbed, Brown, 24, who appeared in court wearing an orange jail jumpsuit, was taken away in handcuffs. His next court date has been set for April 23.
Brown spent the weekend in a Los Angeles jail after a judge ordered authorities to arrest him for violating the terms of his court-ordered treatment on an assault charge.
Judge James Brandlin said Brown was kicked out of his rehab program in Malibu after "rubbing elbows" with a female and failing to take a drug test. Brown also allegedly made a threat to a therapy group, telling them, "I am good at using guns and knives," the judge said. A later drug test did turn up negative, Brown's lawyer Mark Geragos said.
The Grammy Award-winner had been staying in a Malibu rehab facility for several weeks as part of his probation for his 2009 assault against Rihanna. His ejection from the facility is considered a probation violation.
The judge rejected a request by Geragos to release the singer into a different rehab program.
Brown has been under court supervision since pleading guilty to the felony assault stemming from his fight with Rihanna.
Brown has another date in front of a Washington, D.C., judge April 17 on a misdemeanor charge.