Several people have been interviewed and equipment seized by police investigating the death of an internet streamer who was known for taking part in extreme online challenges. Raphael Graven, who went by Jean Pormanove, was found on Sunday night. A post-mortem is taking place. https://news.sky.com/story/investigation-launched-into-horrifying-death-of-french-internet-streamer-13414968 #livestream #livestreaming SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Sky News Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales