Slipknot guitarist Mick Thomson and his brother Andrew Thomson were rushed to the hopsital early Wednesday morning after getting in a knife fight. The fight took place at Mick Thomson’s home in Clive, Iowa, and both brothers sustained serious injuries, Billboard reports. The guitarist suffered a stab wound in the back of his head, but police said none of their injuries were life-threatening. Both Mick and Andrew Thomson appeared to be drunk when they were taken to the hospital in separate ambulances, according to police.