Dozens of people are involved in the search. But bad weather is reported to be hampering their efforts. It happened in the far north of iran, near the city of tabriz, close to the border with azerbaijan. President raisi, seen here on the left, had been visiting a dam project. This is thought to be footage of him earlier in the day, travelling in a convoy of three helicopters. First reports that something had gone wrong were announced on state tv. Translation there are unconfirmed reports of an incident involving the helicopter carrying the president in thejolfa region. Initial reports cite a hard landing for the helicopter carrying the president. President raisi, considered a hardliner, is the second most powerfulfigure in iran and has been regarded as a possible successor to the Supreme Leader, ali khamenei. There is no word yet on any casualties today, but across iran, there have been prayers for the president s safety. Jon donnison, bbc news. And i want to take you to the live pictu