witnesses and prospective witnesses that would be in the area, they are not going to want you folks to get too far away because each of you is going to provide a particular piece of information or evidence to hp p put this complex puzzle together. have you spoken to law enforcement or is it too early? >> i think it's a little too early at the moment because of the second attack that happened about ten minutes ago. so there's a warning for the locals to go but i have a police station down the road i can go to and give a report that evening. >> so calum, just back up for a moment for me and try to envision exactly what you're describing. you see a vehicle. we heard from another eyewitness that it was a van.