An unexploded World War Two bomb caused commuter chaos in Westminster last night.
The device was unearthed in the Thames - forcing police to evacuate Westminster tube station and roads in the area.
Victoria Embankment remains shut while Royal Navy specialists remove the object.
Engineers have studied the July 7th bombings to come up with what they say is a life-saving design for a train carriage. But will Transport for London consider paying for them?Simon Harris reports.
Newcastle University's Conor O'Neill, who carried out research into the effects of a bomb blast inside a train carriage, said using special materials could prevent shrapnel injuring passengers.
Four men jailed over a failed plot to bomb London in 2005 are launching a legal bid to overturn their convictions.
Muktar Ibrahim, Yassin Omar, Ramzi Mohammed and Manfo Asiedu were jailed in 2007 for their roles in the planned attack on July 21, 2005.