Tunnel blast killed at least 21 as emergency crews struggled to reach victims

AT least 21 people were killed when a bomb went off in a tunnel between King’s Cross and Russell Square at 8.56am.

Hours later, paramedics were still fighting to the reach the scene of the blast which happened deep underground in a tunnel on the Piccadilly line.

Police estimated that around 900 people would have been on the train at the time of the attack.