President Donald Trump warned on Monday that he would order fresh U.S. attacks on Iran's nuclear facilities should Tehran try to restart facilities that the United States bombed last month. Trump issued the threat as he held talks with British Prime Minister Keir Starmer at his Turnberry golf resort on the western coast of Scotland.

US president has upped rhetoric as Iran maintains it will push forward with nuclear programme after US strikes.

The U.S. wants Iran to end all uranium enrichment. The European nations have yet to make clear their position. The JCPOA limited Iran to enriching uranium up to 3.67% purity -- sufficient for civilian nuclear power purposes but below the 90% purity needed for use in a weapon.