Jack Black's Tenacious D show was cut short on Saturday (28Jul12) after a concertgoer was stabbed in the middle of his set.
The rock-comedy group, composed of guitarist Black and singer Kyle Gass, was performing at Mandalay Bay's House of Blues in Las Vegas when a fight broke out, resulting in a reveller being stabbed in the leg.
The victim was hospitalised, but is expected to make a full recovery.
According to local news outlet 8 News Now Vegas, police officials have one man in custody and are not looking for any more suspects.