"I'd first try to see if the situation could be resolved peacefully. Talk to the newcomer and explain to them where they are and what the rules are. Some people draw weapons for comfort and attention as opposed to actually having the intention of using them."

He continues, "If it seemed like they weren't going to calm down, my first duty would be to protect the person they're targeting and any other bystanders. Easiest way would be to disarm them, but I'd also get people to safety first, if need be."