Eight people have been arrested, including two teenagers, as a result of their participation in the violence which occurred during last year's UEFA Cup Final.
The final was between Rangers (Scotland) and Zenit St. Petersburg (Russia).
Hundreds of Rangers fans made the trip down to Manchester, the host for the final, even without a ticket. They went to watch the match on the big screens located in one of the 'fan zones' around the city.
The arrested men are aged between 16 and 42. These eight people boost the number of people arrested for the violence up to 18.
Last month Greater Manchester Police issued CCTV images of 49 suspects who appeared to have been involved in the violence.
The whole thing started when a big screen in the largest fan zone failed, leaving hundreds, if not thousands, of fans angry that they were missing the game.
The fans got angry and took their anger out on the police officers and buildings in the area, resulting in a number of injuries and criminal damage.
Greater Manchester Police have launched Operation Gale to find and detain the offenders, with the help of police forces up in Scotland.