There had been rumors of some sort of threat online ... both a bomb threat and a gun threat.
The fans apparently learned of the threat after the fact. One tweeted, "Just left Katt Williams' show in Nashville, where security escorted him off stage mid-joke. Then the lights came on and everyone was told to leave."
Just left Katt Williams show in Nashville security escorted him off stage mid joke then lights came on and everyone was told to leave some say bomb threat some say gun all I no I got me and mine out that MF