That is a press conference he held in LA. He is having a rally in 15 mins. in AZ. Just click on the link I gave you.
The news out of Phoenix on the youtube video said Trump was just in Vegas and is flying to Phoenix so he could be a little late. The whole thing was due to start in 10 mins. Trump is on the phone. The place is packed with people.
https://www.youtube.com/watch?v=yMQYzKhsnGM