The leader of a tribe in Iraq's restive Anbar province announced the mass execution as car bombs killed 56 people across the country on Monday.
Russia's reasons for military intervention in Syria are less than clear but probably involve geopolitics as much as fighting terrorism.
Initial reports indicate the rockets might have targeted Camp Victory, a former US military installation near the airport.
At least four people have died already, and the Islamic State controls the areas around a dam that supplies fresh water to some of the hardest hit places.
The longer the group survives against the international coalition that has formed against it, the more credibility they can build as a movement, and the greater their ability to attract foreign fighters, radical ideologues, and local auxiliaries.
This month marks one year since a US-led coalition began bombing the Islamic State. The air strikes certainly haven't destroyed the group, but they have changed the terms of the conflict.
With a sweeping political reform package, Iraqi Prime Minister Haidr al-Abadi is aiming to dismantle the government put in place following the US invasion in 2003.
Saudi Arabia's problems with the Islamic State are complex, deep rooted, and will be hard to solve.
The Iraqi move to close border with Jordan to commercial trucking, a part economics and part military effort, is directed against Islamic State militants.
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Advertising execs break down the Islamic State's sophisticated marketing campaign and propaganda war against the West.
Massive Oil Fields Are Iraq’s Biggest Asset — And a Huge Liability — in the Fight Against the Islamic State
Almost 90 percent of the Iraqi government’s revenue comes from oil exports, but there are almost no security forces left to protect the "super fields" in Basra.
The Iraqi government may have no good options open when it comes to retaking Ramadi.
Iraq’s Sunni tribes and Shia militias are trying to put aside their history of bloodletting and find ways to support each other in the fight against the Islamic State.