Leading MPs will be calling on the Governement today to make changes to policies regarding youth gang culture.
The conference, Tackling Gang Culture, will look at whether Government strategy to remove gang leaders following the 2011 riots was counter-productive. It's thought it may have created a power vacuum in which younger gang members grabbed power on a wave of violence.
More top news
The first Blue Moon since 2012 will appear over the UK on Friday. The next won't be until 2018.
Other hate crimes against muslims and gay people have also risen.
Archie's mum was fed up with the balloon floating around her living room so suggested he let it go to see how far it could travel.