Iranian president Ebrahim Raisi, who died in a helicopter crash at the weekend, is to be buried in his home city of Mashhad on Thursday. Raisi is to be laid to rest at the city’s shrine of Imam Reza, the eighth imam of Shia Islam. High-ranking representatives of friendly states are expected to attend, including Russian parliamentary leader Vyacheslav Volodin. Iran’s state railway company has organized special trains to take mourners from Tehran to the north-eastern city. There have been several ceremonies and public displays of mourning for Raisi, late foreign minister Hossein Amirabdollahian …