Some big bald white guy with a cap launched a beer at Artest whose laying on the scoretable. Artest flew out and went after the wrong guy. The same guy who threw the beer jumped into the fray and went after Artest and it became a melee.
The Pacers players jumped in against the fans. The fans pushed to the floor. Beer flew everywhere. Some of the Pistons players tried to be peacekeepers, but no avail.