MNA � Leader of Islamic Revolution Ayatollah Seyyed Ali Khamenei paid a visit to the sacred grave of Imam Reza (as) in Iranian northeastern city of Mashhad on Saturday to attend an annual 'dust clearing' ceremony.

As every year, Ayatollah Khamenei took part in the ritual on Saturday which also saw some senior Shia clerics and different hosts of people in attendance.

The ceremony is held every year at the Holy Shrine of Imam Reza (as) as a preparation for the mourning month of Muharram. It involves dusting off the sacred grave of Imam Reza (as).