Washington, DC [US], July 17 (ANI): The United States had received intelligence from a human source about an Iranian plot to kill Donald Trump weeks before the assassination attempt against the former US President on Saturday, according to national security officials. This led to increased security measures for Trump. Officials, however, said that there is no known connection between this Iranian plot and the 20-year-old who attempted to assassinate Trump on Saturday. The US Secret Service and the Trump campaign were notified of the Iranian threat, and security was boosted as a result, as conf…