On the attacks on the hon. Gentleman’s constituent, we are taking the use of offensive weapons—we have introduced the Offensive Weapons Bill—and serious violence very seriously. I understand that he sits on the serious violence taskforce that my right hon. Friend the Home Secretary has established to take account of views across the House on an issue that is a matter for all of us, and I am grateful to him for sitting on that taskforce.
The hon. Gentleman refers to a matter that lies in the hands of local authorities and social housing providers. On operations across London, he could of course speak to the Mayor of London about his responsibilities and the measures that he could introduce.