The generosity of the British public in helping Pakistan's flood victims is "shaming politicians around the world", the head of the Disasters Emergency Committee says. Hear the latest on the relief operation in Pakistan. Also hear about Pakistan's government's inquiry into the brutal killing by a mob of two teenage brothers in the eastern city of Sialkot. The 15 August lynchings were captured on video and have outraged Pakistanis. Changis Raja sits in for Zarina Khan.