- Nine of the London raids took place in Lambeth, one in Southwark, one in Hackney and another in Brent
- The operation targeted what are believed to be "the most senior ranking high harm members" of the gang
- So far they have found 300 rocks of crack cocaine, a large amount of heroin and £5,000 in cash
More top news
A London couple have been given legal backing to push for opposite sex couples to be granted the right to have civil partnerships.
David Haines' daughter tells ITV News families of IS victims will not get closure until there is a "bullet between the eyes" of Jihadi John.
The Essex boy will be racing for a new team - Manor - after the team formerly known as Marussia came out of administration.