Thousands marched in Iran on Thursday on the final day of funeral rites for president Ebrahim Raisi, who will be laid to rest in his hometown days after dying in a helicopter crash.Raisi, 63, died on Sunday alongside his foreign minister and six others when their helicopter crashed in the country's mountainous northwest while returning from a dam inauguration.Thousands of people, holding placards of Raisi and waving flags, marched in the eastern city of Birjand on Thursday morning to bid the president farewell.