In short, Trump was right.
Police officers have been subjected to stone throwing, warning shots have been fired, shops have been looted, shopkeepers are beaten and several cars on fire.
The unrest and rioting includes attacks against the police, with the throwing of stones.
People have been assaulted. Stores have been looted. The riots are being caused by Muslim refugees. Migrants. But the media says large scale immigration in Sweden is working out just beautifully.