 Complete the following phrase:  The mid-1980s saw a decline in attendances at football matches and public disenchantment with English football. A number of instances of violence and tragedy struck the game. In March 1985, at the semi-final of the 198485 Football League Cup between Chelsea and Sunderland, more than 100 people were arrested after various invasions of the Stamford Bridge pitch and more than 40 people, including 20 policemen, were injured. Nine days later, violence flared at the FA Cup match between Millwall and Luton Town; seats were used as missiles against the police and resulted in Luton Town banning away supporters. On 11 May, 56 people were killed and 265 injured in the Bradford City stadium fire. Less than three weeks later, 39 supporters died and more than 600 were injured in the Heysel Stadium disaster where Liverpool were playing Juventus in 