the key is that someone has been arrested now there s been people observers commenting that if this had been some sort of accident probably police would not have been holding on to this man down on the ground, the person they ve arrested so it s very early moments but we have had several incidents over the past year of vehicles ramming into pedestrians in london that have turned out to be terrorists attacks that the state of alert is just about at its highest in london right now. this happened 2:20 in the afternoon neil. it would be the sort of time of day obviously a saturday when people would be out and about. it happened very close to the natural history museum which is right next door to the victorian albert museum. this is the rode that would head out in one direction west to heath row airport, the a4 and another direction it would hit to the bridge so this is one of