>> Commuters make their way to work as London Bridge Station reopens. But after the terror attack here on Saturday night, much of the area is still on lock-down. Three militants driving a van into pedestrians on the crossing on Saturday night then leaping out to stab passersby. Police now piecing together who carried out the attacks.
Reuters Paul Sandle is in London.>> London Police says it's a fast moving investigation. There have been a number of raids this morning, than were yesterday 12 people have been arrested, more people have been detained. And they're trying to uncover the links between the three men who carried out the attack and whether they were part of a wider network.
>> Authorities have identified all three attackers but aren't releasing names. Police were angered after details about the Manchester attack where leaked to the US media, including the militants name and photos of the scene. Saturday's attack met a swift response from police. They've killed all three assailants within eight minutes of being called out.
Prime Minister Theresa May also keen to sound robust.>> We will take on and defeat our enemies.>> Mays' in a vulnerable situation because she was Home Secretary which is responsible for Britain's police and security services for six years. This is the third attack in as many months in Britain so there really is a lot of pressure from the public building for the government to take stronger responses, have a more coherent strategy.
Seven people died on Saturday, but with almost 50 injured and many of those in intensive care, that number could rise. London's cosmopolitan nature reflected as details of the victims emerge. Four French nationals and two Australians among the dead or injured. One victim named as Canadian Chrissy Archibald who died in her fiance's arms.