Look: Horrible barbarians from Connor McGregor, punching the old man in the middle of the bar

Conor McGregor boxer is involved in an incident in an Irish bar.

Sherry happened April 16th in Dublin, but the video was published only today, broadcasting Periscope.

Conor buy all those present at the bar.

But one of those present has refused to drink Conor's beer.

So Conor, after taking a drink, suddenly punching the old man in the head who refused to drink.

Two people immediately grabbed McGregor and pulled him out of the bar.

Police say they have launched an investigation into the case, while Conor is famous for violent clashes. /Periscope. com/