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.
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A teenager who was mistakenly released from prison after he was arrested on suspicion of attempted murder has been detained by police.
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