In this image taken May 28, 2015, Iraq's Badr Brigades Shiite militia detain four suspected militants of the Islamic State group outside the oil refinery in Beiji, some 155 miles north of Baghdad, Iraq. The men were planning to attack oil refinery checkpoints, the militia said.
In this image taken May 28, 2015, Iraq's Badr Brigades Shiite militia detain four suspected militants of the Islamic State group outside the oil refinery in Beiji, some 155 miles north of Baghdad, Iraq. The men were planning to attack oil refinery checkpoints, the militia said. AP
In this image taken May 28, 2015, Iraq's Badr Brigades Shiite militia detain four suspected militants of the Islamic State group outside the oil refinery in Beiji, some 155 miles north of Baghdad, Iraq. The men were planning to attack oil refinery checkpoints, the militia said. AP

Mideast’s worst case: A ‘big war’ pitting Shia Muslims against Sunni

June 10, 2015 6:00 AM