Look, it gets really crowded at Comic-Con, okay?
The main room, Hall H, was briefly shut down Saturday after one man stabbed another in the face for sitting too close to him, San Diego police told TVGuide.com.
Check out all of TVGuide.com's Comic-Con coverage
The weapon of choice was a pen, according to police.
The suspect was arrested and booked on suspicion of assault with a deadly weapon, and the victim taken to a hospital for what police said was a minor cut on or near his eye. No names were released.
Comic-Con: Let TVGuide.com be your Avatar
When will people learn? Pens are for getting Chris Claremont to sign your mint condition copy of Uncanny X-Men #207, not for stabbing.