The mourners walked from the city’s Shohada Square to the Holy Shrine of Imam Reza, the eighth Shia Imam, in the city on Tuesday.
The day was a national holiday in Iran.
Here is a selection of images from the procession in Mashhad.
Muslim devotees mourn Imam Jafar Sadeq on martyrdom anniversary
A group of Muslim devotees known as the Sadeqiyoun Society have held a procession to mark the martyrdom anniversary of Imam Jafar Sadeq, the sixth Shia Imam, in Mashhad, northeastern Iran.
