an area that is usually for taking pictures. with big ben, lot of school groups walking around. it is completely cordoned off. it is dark here now. there are blue lights flashing. >> shepard: william james on the line with us. correspondent from the reuters news agency at parliament, still locked down, streets and roads still shut down. we understand the river thames is back open for river traffic, the tube station is back open. parliament will be back in session tomorrow trying to move on as quickly as possible, as they work to determine who this person was, why this person carried this out. you'll remember that it was, i'd say shortly after noon i guess, or shortly before noon eastern time, so before 3:30, 4:00 in the united kingdom. they are four hours ahead of eastern time. british summertime has not yet kicked in. this man just came driving across this bridge, the westminster bridge over the