Photos: Ashura mourning and procession in Gashua town, Yobe state, Nigeria

The events of Day of Ashura happened for Imam al-Husain (a) and his family, in the battle with the army of tyranny Yazid led by Umar b. Sa'd on Muharram 10, 61/October 10, 680 in the land of Karbala which led to the martyrdom of Imam al-Husain (a), his companions. The rest of his caravan was also taken as captives. Every year as the month of Muharram arrives, Millions of Shi'a and non-Shias around the world hold sessions of mourning for Imam al-Husain (a). The day of Ashura is the peak of the mourning.