On 7 July 2005, 52 people died after suicide bombers detonated devices on London's transport network - it was the day Britain's terror threat changed forever. Fifty-two thousand petals fell in St Paul's Cathedral as families and survivors remembered those who died in the 7 July terrorist attacks in London 20 years ago. Sky's Martin Brunt has this report. Read more: https://news.sky.com/story/i-was-reporting-in-london-on-the-day-of-the-7-7-bombings-heres-what-happened-13391968 #bombings #london #anniversary #martinbrunt #uknews #skynews 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