World Service Middle east analyst. Just take us through the series of events of what we know has happened. Essentially, over the last couple of hours, we started to hear reports that a convoy of helicopters carrying the iranian president Ebrahim Raisi had got into difficulties. Now, never difficult, different ways in which it was phrased on different outlets in the arabian media. A hard landing, a rough landing on a Crash Landing but no exact details of what that actually meant. On the reports were that it was a convoy of three helicopters travelling in the north west of the country, the province of east azerbaijan, and, she was saying, not only was the president on this particular helicopter, it began to emerge that the Foreign Minister was on the helicopter, too. Now, the two other helicopters that were in the convoy, we have had reports that they have landed safely so a huge Rescue Operation has been launched, she was saying a new introduction there, this been hampered by the thick