Warning: Contains reference to suicide. If you've been affected by this story and want to talk to someone, you can call the Samaritans free on 116 123 or at [email protected] Frazer has PTSD after seeing a graphic video on a classmate's phone. It's an example of why calls to ban smartphones in schools are growing. The eighteen‑year‑old has spent most of his adolescence living with the consequences of something he never chose to see. He was just 12, going on 13 years old and in Year 8, when a classmate pushed a phone into his face during breaktime. Frazer’s experience is not an isolated case, according to clinicians. Dr Emily Sehmer, a consultant child psychiatrist, says she sees similar stories far too often. 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 #smartphoneban #education #schoollife