 Smoke and flames are seen during what witnesses said was an explosion caused by an Israeli air strike on a house in Gaza City August 23, 2014. Israeli aircraft bombed the Gaza Strip on Saturday and Palestinian militants fired rockets at the Jewish state, the military said, with no end in sight to the deadliest violence between the sides in years. (Photo:Reuters)
 A Palestinian firefighter reacts at the scene of what witnesses said was an Israeli air strike on a house in Gaza City August 23, 2014. (Photo:Reuters)
 Palestinian firefighters extinguish a fire in a carpentry shop following an Israeli strike in Gaza, in the northern Gaza Strip, Saturday, Aug. 23, 2014. (AP Photo)
 A Squirrel eats a nut given to him by a tourist in Company Gardens a heritage site located in the city center of Cape Town, South Africa, Saturday, Aug. 23, 2014. (AP Photo)
 Ukraine's President Petro Poroshenko (R) greets Germany's Chancellor Angela Merkel in Kiev August 23, 2014. (Photo:Reuters)
 From right, Ukrainian President Petro Poroshenko, his wife Maria and son Mykhailo light candles during a special service in St. Sophia Cathedral in Kiev, Ukraine, Saturday, Aug. 23, 2014.(AP Photo)
 In this photo provided by Egypt's state news agency MENA, Egyptian President Abdel-Fattah el-Sissi, right, meets with Palestinian President Mahmoud Abbas in the presidential palace, Cairo Egypt, Saturday, Aug. 23, 2014. (AP Photo)
 Panda cub Bao Bao is seen in her habitat at the National Zoo in Washington, Saturday, Aug. 23, 2014. (AP Photo)
 An Indian artisan works on an idol of Hindu God Ganesha for sale ahead of Ganesh Chaturthi festival on the outskirts of Bhubaneswar, India, Saturday, Aug. 23, 2014. (AP Photo)
 Bollywood actress Priyanka Chopra arrives for a promotional event for her upcoming film "Mary Kom" in Ahmadabad, India, Saturday, Aug. 23, 2014. The film, based on the life of Olympic bronze medal boxer MC Mary Kom, will be released on Sept. 5. (AP Photo)
 Indian contemporary dancer and choreographer Astad Deboo performs during the Lakme Fashion Week in Mumbai, India, Saturday, Aug. 23, 2014. (AP Photo)
 Red Bull team members dump two buckets of ice water on Red Bull Technical Chief Adrian Newey, left, and Team Chief Christian Horner, to complete the Ice Bucket Challenge in support of the ALS Association which is raising funds in its battle to cure Lou Gehrig's disease, at the Spa-Francorchamps circuit, Belgium, on Saturday Aug. 23, 2014. (AP Photo)
 Demonstrators protest with a human chain against planned coal mines at the Neisse river , German-Polish border near Gross Gastrose, Germany Saturday Aug. 23, 2014. (AP Photo)
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