"Ali, aged 10, succumbed to his injuries. He was badly wounded in the same bombardment as Omran on August 17 in Aleppo," the Syrian Observatory for Human Rights said yesterday.
The haunting images of four-year-old Omran, sitting in an ambulance after the attack, his face, arms and legs caked in blood and dust, have reverberated around the world, becoming a symbol for the suffering of children in Syria's brutal five-year conflict.
Omran, his siblings and parents were all plucked from the rubble wounded, but alive, following Wednesday's bombing on the Qaterji neighbourhood in rebel-held east Aleppo.
The Aleppo Media Centre, a network of activists in the divided northern city, confirmed Ali's death in a video yesterday.
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The images of Omran have sparked a global outcry, much like the photo last September of three-year-old Syrian boy Aylan Kurdi, whose body washed ashore on a Turkish beach as his family tried to reach Europe.
Omran's home city Aleppo has been divided by government control in the west and opposition fighters in the east since 2012.
Regime warplanes, backed by Russia's air force since September 2015, bombard the eastern districts while rebel groups fire rockets into the west.
Of the estimated 250,000 people still living in the eastern parts of the city, 100,000 are children, according to the UN's children agency UNICEF.
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