The British Government has reportedly consulted lawyers over its options if fighting breaks out between Israel and Iran.
In Baghdad later today representatives from the five Security Council nations and Germany will meet Iranian officials to discuss the regime's nuclear ambitions.
But according to a BBC report, the British government has been examining its options for if the negotiations do not achieve any progress.
A report by Nick Robinson said ministers have begun taking legal advice on what Britain's role would be if a confrontation took place between Israel and Iran.