US Department of Homeland Security Secretary Jeh Johnson told a Senate panel on Tuesday the United States was cracking down on Middle Eastern migrants illegally crossing the southern US border.
FBI Director James Comey strongly defended his decision not to recommend criminal charges against Democratic presidential candidate Hillary Clinton as he was grilled by Republican lawmakers over her handling of classified emails.
FBI Director James Comey said there were "strong indications" Orlando nightclub attacker Omar Mateen had been radicalised in part through the internet but federal authorities still are working to determine his exact motives.
