Original sentence: Whilst football hooliganism has been a growing concern in some other European countries in recent years, today British football fans tend to have a safer reputation abroad although hooliganism is still fairly common although it now tends to happen at pre-arranged locations, rather than at the matches themselves
Edited sentence: Although hooliganism is still fairly common, it now tends to happen at pre-arranged locations, rather than at the matches themselves.Whilst football hooliganism has been a growing concern in some other European countries in recent years, today British football fans tend to have a safer reputation abroad