Kirk's assassination renews attention about threats of political violence in the U.S. that cut across the ideological spectrum.

TikTok is taking another step towards becoming more than just a platform for infinitely scrolling through short videos. The social media app told TechCrunch that its users will soon be able to send voice notes,

President Trump features prominently in the White House's first TikTok video captioned "America we are BACK! What's up TikTok?" as the administration joins the platform.