Palestinians react after they checked the body of their family member killed in an Israeli air strike, at Al-Adwan Hospital in Gaza City on Tuesday. Chen Xu/Xinhua /Landov hide caption

itoggle caption Chen Xu/Xinhua /Landov

Fleeing the fighting: Internally displaced Congolese sit inside a United Nations base in Monigi, near Goma, as they seek shelter from the violence. Phil Moore/AFP/Getty Images hide caption

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An Israeli soldier lies on the ground as missiles are fired from an Iron Dome anti-missile station on Thursday near the city of Beer Sheva, Israel. The Iron Dome was activated to intercept incoming rockets launched from Gaza. Ilia Yefimovich/Getty Images hide caption

itoggle caption Ilia Yefimovich/Getty Images