there are two suspects who are in custody, but neither of them was arrested at the scene in barcelona. instead, one was arrested in the town of where the van was rented. and the second was arrested in elk in order to pray to the side of the two deadly explosions. one was last night. another tonight. on scene in both of those trying to link together the pieces. police believe that the explosions are linked to the attack on las ramblas, but very unclear how. and police to acknowledge the two suspects in custody may be a part of a bigger cell. meantime in spain s catalonia region, a man who tried to run down police at a traffic blockade who was shot and killed was initially linked to the van attack in barcelona, but now police say that there is no connection. and to confuse matters more, police also released the name and picture of a man that they thought was the driver of the van in las ramblas, but that man walked into a barcelona police