President Joe Biden has cautioned Rishi Sunak against censuring Iran over its nuclear programme amid high tensions in the Middle East. The International Atomic Energy Agency’s 35-nation Board of Governors passed a resolution against Iran 18 months ago, demanding it to cooperate with a years-long investigation into uranium particles found at three undeclared sites. European powers, including Britainand France, are believed to be preparing a censuring resolution. However, the Biden administration has asked the countries to abstain from the resolution and said it will do the same. Concern about I…