David Cameron is meeting Pakistan's president, Asif Ali Zardari, for the first time since the prime minister accused Pakistan of "looking both ways" with regard to terrorism.
Zardari is also facing heavy criticism from back home after Pakistan was hit by its worst floods since 1929, which have left over 1,500 people dead.
The two countries have a long and complicated relationship and with the battle against the Taliban in Afganistan already spilling over the border, there will be much for the two leaders to discuss.
To highlight some of the key issues we hear from members of London's Pakistani community in Newham.
We also hear from an aid worker in northern Pakistan, the scene of some of the worst of the flooding.
And from our correspondents Saeed Shah in Nowshera and Jason Burke in Delhi, and in the studio from Karachi-born novelist Kamila Shamsie and reporter Haroon Siddique.
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