On 7 July 2005, London was changed forever. Watch 7/7: The London Bombings on iPlayer from the 5th January. #SevenSeven #TheLondonBombings #2005 On 7 July 2005, four bombs exploded in London. Detectives, survivors, emergency services and victims families relive the moment. | BBC One

George Psaradakis was driving the number 30 bus on 7 July 2005. As he turned into Tavistock Square, a bomb tore through his bus. "Many innocent people lost their lives in such a barbaric way." He told us that, despite the inhumanity of that day, there was also a great deal of humanity. #London #LondonNews #7July #7July2005 | BBC London

Londoners reflect on the traumatic events of the 2005 London bombings #7/7 #TheLondonBombings #2005 #LondonBombings #WatchAgain 20 years ago, four bombers attacked central London, killing 52 people and injuring hundreds more. Look back at how events unfolded on 7 July 2005. | BBC