Barack Obama has discussed Iran having a role in helping to stabilise Iraq - so long as it respects all sides. The UK Foreign Secretary William Hague has already spoken about talking to Iran.
But Mr Hague told ITV News today there would be no on-the ground sharing of British counter-terrorist expertise with Iranian officials.
ITV News Political Editor Tom Bradby spoke to Mr Hague:
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Rain expected in the next 24 hours - no surprise there with it being a Bank Holiday - but there'll also be some brighter skies in places.