A separatist leader in eastern Ukraine says items that are "presumably" the black boxes from flight MH17 have been retrieved and taken to the city of Donetsk.
Aleksander Borodai, prime minister of the self-styled Donetsk People's Republic, told a news conference said the objects had been "delivered to Donetsk and they are now under our control".
Thousands of online users have taken to social media to call for the victims of the Malaysian airliner crash to be returned to loved ones.
United States intelligence officials admitted that they do not know who fired the surface-to-air missile that downed flight MH17.
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