Turkish President Recep Tayyip Erdogan has said that Russian air-defense missile systems could be delivered earlier than initially planned, standing by a purchase that has put the NATO member at odds with Washington.

Iran’s leaders have responded angrily to US President Donald Trump’s designation of its elite Revolutionary Guard Corps (IRGC) as a foreign terrorist organisation.

President Trump’s declaration that Iran’s Islamic Revolutionary Guard Corps is a foreign terrorist organization is the first time the United States government has designated a part of another country’s military as that type of threat. In doing so, Mr. Trump took broad aim at a pillar of the Iranian state, …