The UK Foreign Secretary William Hague rejected a claim the government was "softening" its approach to Iran.
Speaking in the parliament, Mr Hague described the UK as "absolutely relentless" in its efforts to defeat terrorism around the world and added: "I can assure you that there is no softening of any of our policies in relation to Iran.
More top news
Tories take campaign to the factories of three businesses who publicly endorsed their economic plans.
The self-imposed deadline has passed and it's true that there has not as yet been any breakthroughs, but there are no breakdowns either.
Police investigating the murder of a student found in a burnt out car have released CCTV in a bid to piece together what led to her death