When ISIL fighters attacked last week, the Shiite village of Al Saud in central Iraq received help from an unlikely source.

The police chief from the neighbouring Sunni town of Dhuluiyah, once a key Al Qaeda hub, came with a detachment of men and 15,000 rounds of ammunition.

“It is the first time Sunnis and Shiites fight together like this against [ISIL],” said Mullah Maher Al Juburi, the imam of Dhuluiyah, a town nestled in a U-bend on the Tigris river. […]