Rapper Blueface has been arrested for gun possession ... TMZ learned.
Law enforcement sources tell us, the man behind the Bust Down dance craze was in downtown L.A. Friday at around 7 PM when cops received a call that robberies in that area were going down at the hands of gang members.
When LAPD rolled up, Blueface and his posse scattered and several of them tossed their guns away as they fled.
Blueface and two others were apprehended. Cops later discovered the guns were loaded.
There's no evidence Blueface or the others were involved in any robbery.
Blueface was booked for felony possession of carrying a loaded firearm.
He was released on $35,000 bail.