Lil’ Wayne is currently being detained at an interior border checkpoint in Texas, this according to a Border Patrol supervisor. The Border Patrol is not releasing details about the incident — but we’re told Wayne has not been arrested. We’re told officials are still investigating. Officials tell us 11 other members of Wayne’s entourage are also being detained. The incident went down in the city of Falfurrias — roughly 100 miles from the Mexican border. Officials tell us a drug-sniffing K-9 unit picked up the scent outside the bus. Wayne and 11 members of his entourage are being detained at an internal B.P. checkpoint in southern Texas. We’re told Lil’ Wayne’s concert tonight at the Laredo Entertainment Center in Laredo, TX. has been postponed. The general manager of the venue tells us they decided to cancel the show because Lil’ Wayne didn’t show and they couldn’t get in touch with him or his people. (TMZ)