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Smoke rises from buildings in May after shelling on the Iraqi city of Fallujah, which is currently held by anti-government fighters. Rights workers say civilians are being killed by government attacks with so-called barrel bombs. Sadam el-Mehmedy/AFP/Getty Images hide caption

toggle caption Sadam el-Mehmedy/AFP/Getty Images
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A convoy of Israeli tanks roll near Israel's border with the Gaza Strip on Friday. There's a sense of repetition to the violence in the region, as Hamas fires rockets at Israel and Israel responds with bombs and the threat of a ground invasion. Menahem Kahana/AFP/Getty Images hide caption

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Libya's Gen. Khalifa Hifter speaks at a news conference in Abyar, a small town to the east of Benghazi, on May 31. Hifter, a former military officer in Moammar Gadhafi's army, has has launched a self-declared campaign against Muslim extremists. This has won him both supporters and enemies. Esam Omran Al-Fetori/Reuters/Landov hide caption

toggle caption Esam Omran Al-Fetori/Reuters/Landov
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