Shouts ring out around one of the main halls in Örebro’s grand old castle – is it a horde of marauding Danes at the gates? No, a more contemporary army has descended on Sweden’s sixth largest city (although some are indeed Danes, and some do maraud). A large group of mainly middle-aged men, some clad in team colours, have come to Örebro to participate in ‘Eurobowl’