Tensions between the United States and Russia are high following the death of Putin critic Alexei Navalny who died suddenly at a penal colony in Siberia. People have been laying flowers and tributes, and activists say around 400 supporters of Navalny have been detained. NBC’s Richard Engel reports for TODAY. » Subscribe to TODAY: https://www.youtube.com/@TODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: https://www.today.com/ Find TODAY on Facebook: https://www.facebook.com/today Follow TODAY on Twitter: https://twitter.com/TODAYshow Follow TODAY on Instagram: https://www.instagram.com/todayshow/ » Stream TODAY All Day: https://www.today.com/allday About: TODAY All Day is a 24/7 streaming channel bringing you the top stories in news and pop culture, celebrity interviews, cooking, and more. All in one place. #russia #alexeinavalny #worldnews