It won't be long before a lorry is driven down a much busier street and the death toll ends up 10 or 15 times higher than this. It's such a difficult attack to prevent and it's all over before anything can be done.
Actually I would imagine they are trying to come with more and more ideas to attack, can't think what but something in a busy popular place to cause mass casualties. they'll soon give up the driving into people as it's not really getting enough dramatic effect or casualties. in some ways I'm suprised they haven't already come up with more lethal mass killing methods, no idea what but there must be a range of ways. Just being realistic, lets hope not.