Czech police have detained 16 people after violent clashes between West Ham United and Fiorentina fans marred the build-up to the Europa Conference League final in Prague. A group of black-clad Fiorentina fans attacked Hammers supporters in a bar in central Prague on Wednesday afternoon, injuring three patrons, authorities said. Videos on social media showed fans setting off flares and throwing tables at the bar located just off Prague’s Old Town Square. A police officer was also attacked. “Italy fans attacked West Ham fans in a bar on Rytirska street, injuring three,” Czech police said on Twitter. “A police officer was also attacked. We have restricted the personal liberty of 16 people.” More than 10,000 officers are on duty in the Czech capital with major security concerns around the game given the vast numbers of supporters who have travelled without tickets. An estimated 20,000 West Ham fans are believed to have travelled to Prague, even though the club’s allocation of match tickets was fewer than 6,000, given the small size of Slavia Prague’s stadium hosting the showpiece. Uefa have also promised a beefed-up security presence at the Eden Arena as the governing body are desperate to avoid a repeat of the chaotic scenes that marred last season’s Champions League final between Liverpool and Real Madrid in Paris. Additional reporting by Reuters and PA Read More Carlton Cole on West Ham’s final, a coaching career and his surprise ‘love’ of the world’s most sustainable sport I might miss flight home if West Ham win European title, says fan in Prague West Ham fans take over Prague ahead of Europa Conference League final