Sunni vs Shi’a: New flare-up rooted in ancient hatred
The roots of the crisis are to be found in the long-standing feud between Sunni and Shi’a, which dates from the very beginning of Islam.
A protester holds a placard during a demonstration against the execution of Shi'ite cleric Sheikh Nimr al-Nimr in Saudi Arabia, outside the Saudi Arabian Embassy in London, Britain, January 3, 2016(photo credit: REUTERS/TOBY MELVILLE)