The way he was pacing, I wonder if the chicks locked him out on the balcony, and he drunkingly decided to show them up and swing down to the balcony below.
Maybe a gunman on the inside ? He looks like he's avoiding something then attempts to drop to the next balcony and loses his hand hold. Those few seconds falling where all you can do is go FUUUUUUUCCCKKK...
I'm guessing you didnt bother to read the article.