A statement by IS propaganda agency Amaq confirmed that one of the group's key leaders, Abu Omar al-Shishani, was killed in combat in the town of Shirqat, south of Mosul in Iraq.
Thousands of internally displaced people stranded in the region.
Amnesty report accuses security agencies of abductions and torture.
At least 11 killed and dozens injured in Shiite-dominated district.
Territorial losses may prompt the group to intensify attacks.
Syrian regime using siege tactics to pressure opposition fighters.
Assault in Balad involved suicide bombings, gunfire and rocket fire.
Authorities name suicide bombers who struck the kingdom on Monday.
At least six troops killed and dozens injured in the city of Aden.
Says construction plans aimed at systematic land seizures.
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