Lil Wayne Arrest in Tour Bus Shooting ... Suspect Tied to Young Thug

Lil Wayne's tour bus was allegedly shot up by a guy who has very close ties to Wayne's rival, Young Thug ... TMZ has learned.
Atlanta PD got an arrest warrant for the suspect, Jimmy Carlton Winfrey, on May 21 ... and he's been charged with aggravated assault, terroristic threats, possession of a firearm by a felon, and criminal gang activity.