Four suicide bombers detonate devices on the underground and a bus killing and injuring London commuters.

On the morning of 7 July 2005, three bombs went off on the underground line near Moorgate, Liverpool Street and Aldgate tube stations. A fourth bomb later exploded on a bus at Tavistock Square. 52 people were killed and more than 770 were injured. The bombers were later identified as four young Islamic men, Hasib Hussain,Mohammad Sidique Khan,Germaine Lindsay and Shehzad Tanweer.

After all the euphoria yesterday of securing the Olympic Games, today the grim reality of a terrorist attack to coincide with the G8 summit at Gleneagles.

Charlie Bird visits Aldgate later in the day in this RTÉ News report from 7 July 2005.