Comedian Dave Chappelle Attacked During Hollywood Show

A video from the Hollywood Bowl shows a person running on stage attempting to tackle a comedian. Security quickly detained the suspect, who was armed with a replica gun capable of ejecting a knife blade. The suspect was taken to a hospital, and the comedian was unharmed. Chris Rock later joked about the incident, referencing Will Smith.

What type of weapon was the suspect armed with?

What was comedian Chris Rock's reaction after the attack?