Malaysia's transport minister has said the apparent missile attack on Malaysia Airlines flight MH17 "cannot go unpunished".
"On the ground, the rules of war were broken," he said. "In an unacceptable act of aggression it appears that MH17 was shot down".
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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