The Harvard graduate is the first Pakistani and Muslim American to head up a major presidential campaign.
The Pentagon says it wrapped up the programme in 2012, but the New York Times has quoted sources as saying that UFO 'episodes' continue to be investigated.
Hillary Clinton warns "fakeNews" puts lives at risk and has "real world consequences".
Republican presidential nominee Donald Trump came under fire yet again for his most recent remarks directed against the mother of slain US Army captain Humayun Khan.
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