Sweden’s prime minister has promised to “go in hard” against masked men who set alight up to 80 cars in Gothenburg and other towns on Sweden’s west coast, in what police say appeared to be coordinated attacks. “I am really furious, what the hell are they up to?” Stefan Löfven on Tuesday morning. “Society will always act hard against this and we must continue to do so … We will do what needs to be done to take care of it and go in hard against this crime.” Sweden goes to the polls on 9 September with violent crime high...