Mohammed Umar Khan, 15-year-old killer of Harvey Willgoose, has been sentenced at Sheffield Crown Court after stabbing his fellow student outside their school cafeteria in February. Harvey Willgoose's mum Caroline told Sky News she has "no feelings" towards her son's killer but feels he and her son have been "let down". Read more: https://news.sky.com/story/harvey-willgoose-murder-latest-teen-killer-to-be-sentenced-for-murdering-15-year-old-13454516 #crime #knifecrime #sheffield 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 Sky News Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ 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 To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales