Jailers put accused sex trafficker Sean "Diddy" Combs on a "procedural" suicide watch, as the music mogul awaits trial on three felony counts tied to more than a decade of alleged abuse, a source said.

Music mogul Sean "Diddy" Combs, who was arrested last night at a hotel in New York City, has been charged with racketeering, sex trafficking and transportation to engage in prostitution. At a hearing today in Manhattan, Combs pleaded not guilty. He was denied bail and will remain in custody.

Sean "Diddy" Combs was ordered held without bail Tuesday after he was charged with sex trafficking, racketeering conspiracy and transportation to engage in prostitution. Combs pleaded not guilty to the charges in federal court in New York City.

S ean “Diddy” Combs, a rapper and music mogul credited with helping launch the careers of some of the biggest stars in recent years, was arrested by federal agents in New York on Monday, after facing months of civil lawsuits accusing him of sex trafficking, sexual abuse and rape.

Sean “Diddy” Combs was arrested Monday, the U.S. Attorney’s Office in New York City said. Combs was arrested at the Park Hyatt hotel on West 57th Street, a representative said. He was caught off-guard by the apprehension, according to a person familiar with the situation, who added he had been living at the hotel for several weeks.