TEHRAN, Jul. 16 (MNA) – A large number of people in Tehran including government officials held a mourning ceremony at Imam Khomeini mausoleum in the south of Tehran at Tasu'a night last night.

The Day of Ashura- the anniversary of the Battle of Karbala, when the 3rd Shia Imam, Hussein ibn Ali, a grandson of Prophet Muhammad, was martyred by the forces of Ubayd Allah ibn Ziyad - is marked across the world.