IE 11 is not supported. For an optimal experience visit our site on another browser.

Alexei Navalny detained at airport 5 months after poisoning

02:13

Five months after surviving an assassination attempt, Alexei Navalny, a key Russian opposition leader, returned home for the first time. But in a chaotic scene, he was promptly detained by police. NBC’s chief foreign correspondent Richard Engel reports for TODAY.