andrew alvarez was there when it began and started filming. >> we were dancing, we were having fun, and i looked to my left and there were people completely trapped on top of each other. >> with thousands of pounds of combined weight crushing down, time is quickly running out. assuming your arms are free, what action should be your first priority? a, scream and wave for help. b, curl into a fetal position and protect your head with your arms. or c, use your hand signals to get people to back up. >> a lot of screaming, a lot of asking for help. the loud music made it really hard to hear the people screaming. >> if you're in the middle of the crowd crush, the last thing you should be yelling is help. we know that you need help. you should be giving direction. that's going to be a back up. give us space, everybody move back, take two steps, something that's actionable that everyone can do. >> back up! back up! back up! >> you can also use sign language if you can. if you go like this, everyone knows this means move back or stop. >> the answer is, c, signal people to back up as your next mo

andrew cuomo legalized the sport in april. ultimate stars already making headlines. irishman conor mcgregor arriving late to the conference. and stealing the opponent's belt and rushing him on stage. alvarez ready and preparing for victory. >> i can take you where you are weakest. >> i'm the most active champion there is in all weight divisions. >> reporter: the ultimate for the ultimate fight. organizers say they are already set to shatter records for madison square garden bringing in more money and people than the 1999 record held by the fight with holyfield and lewis. >> wow. >> $15,000? i thought she was going to say $1,500. >> the cheapest tickets are going for $800. >> while boxing is on the decline, look at this. >> you know -- >> you hear it. you don't see it. >> that's the thing. young people who love it. it is one of those things. people love it. >> dana white. he was a speaker at the republican national convention. i bet you would not guess that. >>> all right. still to come, a different kind of rock star. chris rock, not the comedian, the politician. why the comedian says he might >>> and dave chappelle is now getting set to host "saturday night live" tonight. but first -- >>