Millions of Muslims travel to Karbala in Iraq for one of the largest annual pilgrimages. The pilgrimage has adapted and changed over its centuries-old history.
The Islamic State has appointed yet another 'caliph' after the death of Abu Bakr al-Baghdadi. What is the idea behind the caliphate?
There have been several attacks on Shia mosques in several parts of the world. At its heart is the centuries'-old sectarian Shia-Sunni divide.
The leaders of Islamic State do not see their caliphate as an exercise in theocracy for its own sake, but as an attempt at post-colonial emancipation.