According to the Daily Star, the explosions occurred when members of Shia community gathered at the building around 30 minutes before the traditional Tajia procession was to be brought out from there to mark the holy Ashura.
The Shia community has been observing the day since centuries. It marks the martyrdom of Hazrat Imam Hussain (RA).
The day marks the martyrdom of Hazrat Imam Hussain (RA), and the Shia community has been observing the day for centuries.
It is the first time that the community has come under such an attack.
No group has claimed responsibility so far.
Most of the victims were men and the wounded women are said to have suffered minor injuries.