Donald Trump is expected shortly to give remarks in Butler, Pennsylvania, at a rally on the site of a previous assassination attempt on his life.
Trump, who has faced multiple assassination plots, scheduled a rally at the site where three months ago shots were fired by the would-be assassin Thomas Matthew Crooks, who was killed. Trump himself claims to have been shot in the ear during that July attack.
Elon Musk, the owner of the social media company previously called Twitter, is also scheduled to attend the campaign event.