Rita Katz, director of the SITE Intelligence Group, said on Twitter that the threats appear in an essay carried by the Islamic State's Al Hayat media centre that declares terrorists "have come to slaughter you and smash your ballot boxes."
Rita Katz, the head of the SITE Intelligence Group, wrote on Twitter that 35 minutes of footage of the attacks were posted online, and that the attacker said in English before the shooting that the "root of all problems are the Jews."
A number of prominent ideologues linked to jihadist outfits in the Middle East took to social media to cheer the prospect of a Trump presidency, The Washington Post reported.