The US has the capacity to increase sanctions on Russia and is prepared to do so, President Obama told reporters today, after accusing the country of supporting separatists in eastern Ukraine.
Mr Obama said that evidence from the downed Malaysia Airlines flight suggests that it had been fired from pro-Russian separatist-held areas of Ukraine.
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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