Uproar after protesters' voices muted in NHK Olympic torch livestream April 6, 2021 (Mainichi Japan) Protestors against the Tokyo Games are seen along the Olympic torch relay course in the city of Nagano on April 1, 2021. (Photo courtesy of Keiko Okazaki) TOKYO -- The sound on public broadcaster NHK's livestream of the April 1 Olympic torch relay in the central Japan city of Nagano was abruptly cut for almost 30 seconds after the voices of individuals along the course protesting the Tokyo Games could be heard. The silencing of their voices raised suspicions on social media that NHK may have cut "inconvenient sounds" from the livestream.