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A man was arrested Saturday in San Francisco after allegedly seriously injuring another man who peed on his carpet.

The victim, who is in stable condition, was found in a world of pain, unconscious on the sidewalk with serious head and facial injuries, KRON4 reports. The suspect was not perfectly calm and fled, but was later identified in surveillance video.

At the time this report was filed there were no indications that any Nazis, nihilists or amphibious rodents were involved in the assault. The suspect was jailed on suspicion of assault with a deadly weapon, as San Francisco is not ‘Nam and there are rules here, by which even angry dudes must abide.

[KRON4]