I thank my right hon. Friend for all his work, particularly through the serious violence taskforce, which he regularly attends. He made an important point about being led by evidence, and he pointed to the public health approach and rightly mentioned Glasgow. He also rightly highlighted the importance in a capital city of greater co-ordination. It is to ensure just that that we are working closely with the Mayor of London, local authorities and the Ministry of Housing, Communities and Local Government.