Denise Petski Senior Managing EditorDavid Blaine’s live stunt Ascension, in which he flew over the Arizona desert using helium balloons, has shattered a YouTube record.Today’s stunt was the most-watched YouTube Original Live Event to date, according to the video streaming platform, with over 770,000 peak concurrent viewers, besting Dear Class of 2020 (665k peak concurrents), The Creator Games Presented by MrBeast (662k peak concurrent), Will Smith: The Jump (more than 300k peak concurrents) and