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London's Heart's been told 7 year olds are being recruited by gangs to carry guns and drugs as they're less likely to be stopped by police.
It comes as a new group of officers meet for the first time later to look at fresh ways of dealing with the estimated 250 gangs in London.
The Police and Crime Committee is meeting at City Hall to re-examine the problems caused by gang violence.
Nearly a fifth of stabbings, half of all shootings and 14% of all rapes are attributed to gang members.