The shrine was rebuilt for the third time in 247 A. H. (861 A. D.) by the Abbasid Caliph al-Muntasir.
Billah who is the son of al-Mutawakil. He erected on the site of the grave of Imam Hussain (A. S.) A building covered by a dome built of clay brick and gypsum.
This building collapsed in 273 A. H. (887 A. D.) And the tomb remained in an exposed position for the following ten years.
Source:
- Holy Shrines of Karbala: By Raouf Mohamed Ali Al-Ansari
[P. 120].
