According to TMZ Waka -- real name Juaquin Malphurs -- was on his tour bus outside a car stereo shop when two cars pulled up next to the bus and opened fire. Waka was not hit.
An eyewitness tells us Waka's security team returned fire on the cars and hit at least one of them. Waka's publicist confirms his security team fired shots -- and says the bus was shot 4 times.
Police have detained multiple people -- and that one person was shot in the shoulder. More as the story unfolds.