WROCLAW, Poland (AP) — Fan disorder ahead of a European soccer final between Chelsea and Real Betis in the Polish city of Wroclaw has led to 28 people being arrested, police said Wednesday. Police used stun grenades and a water cannon against the teams’ fans who were disturbing public order in the city, Polish state news agency PAP reported, adding that there were scuffles between supporters and bottles were thrown. The disorder took place hours between the UEFA Conference League final between the teams.