Beanie Sigel is once again behind bars.

The MC was taken into custody on Wednesday in Philadelphia by federal agents of the Bureau of Alcohol, Tobacco and Firearms.

After a hearing on Wednesday on unrelated assault charges, the ATF agents issued Beans a federal warrant for being a felon in possession of an firearm, stemming from an April 20 arrest. Sigel is being held until at least Monday, when he's due in Philadelphia federal court for a detention hearing where a judge will decide whether he will be allowed to post bail.

The rapper, who was arrested July 3 on attempted murder charges (see [article id="1473554"]"Beanie Sigel Arrested, Charged With Attempted Murder"[/article]), had been free on bail and rejoined the Rock the Mic Tour over the weekend (see [article id="1473585"]"Out On Bail, Beanie Sigel Rejoins The Rock The Mic Tour"[/article]).

Beans' lawyer, Fortunato Perri Jr., said that even if bail is set, Beanie has to be granted permission by the judge to travel with the tour again.

Sigel, whose real name is Dwight Grant, received the warrant at a preliminary hearing where he was facing charges of aggravated assault, recklessly endangering another person and simple assault for an incident on January 9, when he was said to have punched a man. Beanie was arrested for the crime on April 20 after police stopped his car in traffic and found guns.

Beanie did get a small measure of good news while in court. Against the request of the district attorney, Sigel's aggravated assault charge was lessoned to a misdemeanor.

Before his detention hearing on Monday dealing with the ATF's gun charges, Sigel has a preliminary hearing for his attempted murder case.

"He intends to defend himself against the allegations," Perri said of his client. "We expect that he will be exonerated."

[This story was updated on 07.10.03 at 3:45 p.m. ET.]