Followers of the Shi'ite Houthi group wave their traditional daggers during a demonstration in Sanaa
Followers of the Shi'ite Houthi group wave their traditional daggers, or Jambiyas, as they march during a demonstration to denounce fuel price hikes and to demand for the resignation of the government in Sanaa August 18, 2014. Yemen raised fuel prices last month as the impoverished country tries to cut energy subsidies to ease the burden on its budget deficit. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST ENERGY)
A boy stands in front of a map of Russia at a temporary tent camp set up for Ukrainian refugees outside Donetsk
A boy stands in front of a map of Russia at a temporary tent camp set up for Ukrainian refugees outside Donetsk, located in Russia's Rostov region near the Russian-Ukrainian border, August 18, 2014. REUTERS/Alexander Demianchuk (RUSSIA - Tags: POLITICS CIVIL UNREST CONFLICT SOCIETY)
People stand in a line to enter a canteen and have dinner at a temporary tent camp set up for Ukrainian refugees outside Donetsk
People stand in a line to enter a canteen and have dinner at a temporary tent camp set up for Ukrainian refugees outside Donetsk, located in Russia's Rostov region near the Russian-Ukrainian border, August 18, 2014. REUTERS/Alexander Demianchuk (RUSSIA - Tags: POLITICS CIVIL UNREST CONFLICT SOCIETY)
A man sits at a temporary tent camp set up for Ukrainian refugees outside Donetsk
A man sits at a temporary tent camp set up for Ukrainian refugees outside Donetsk, located in Russia's Rostov region near the Russian-Ukrainian border, August 18, 2014. REUTERS/Alexander Demianchuk (RUSSIA - Tags: POLITICS CIVIL UNREST CONFLICT SOCIETY)
People gather at a temporary tent camp set up for Ukrainian refugees outside Donetsk
People gather at a temporary tent camp set up for Ukrainian refugees outside Donetsk, located in Russia's Rostov region near the Russian-Ukrainian border, August 18, 2014. REUTERS/Alexander Demianchuk (RUSSIA - Tags: POLITICS CIVIL UNREST CONFLICT SOCIETY)
Ukraine, rebels accuse each other of attacking refugee bus convoy
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People gather near water faucets at a temporary tent camp set up for Ukrainian refugees outside Donetsk
People gather near water faucets at a temporary tent camp set up for Ukrainian refugees outside Donetsk, located in Russia's Rostov region near the Russian-Ukrainian border, August 18, 2014. REUTERS/Alexander Demianchuk (RUSSIA - Tags: POLITICS CIVIL UNREST CONFLICT SOCIETY)
Pakistan protest leaders ignore or reject Sharif's talks offer
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A woman with a baby sits at a temporary tent camp set up for Ukrainian refugees outside Donetsk
A woman with a baby sits at a temporary tent camp set up for Ukrainian refugees outside Donetsk, located in Russia's Rostov region near the Russian-Ukrainian border, August 18, 2014. REUTERS/Alexander Demianchuk (RUSSIA - Tags: POLITICS CIVIL UNREST CONFLICT SOCIETY)
A boy poses at a temporary tent camp set up for Ukrainian refugees outside Donetsk
Maxim, 7, who arrived from the eastern Ukrainian town of Horlivla (Gorlovka), poses with a toy gun at a temporary tent camp set up for Ukrainian refugees outside Donetsk, located in Russia's Rostov region near the Russian-Ukrainian border, August 18, 2014. REUTERS/Alexander Demianchuk (RUSSIA - Tags: POLITICS CIVIL UNREST CONFLICT SOCIETY)