Trump and Iran in battle of the blockades – The Latest

The US blockade of ships using Iranian ports has come into force but several Iran-linked tankers have passed through the strait of Hormuz since it began. The blockade is designed to put pressure on Iran, whose economy is dependent on oil and gas exports. It comes after peace talks between Washington and Tehran at the weekend ended without a deal.

Lucy Hough speaks to the Guardian’s diplomatic editor, Patrick Wintour