probably eight or nine people. you do see police officers with assault rifles walking around the airport in the metro station. there is heightened security here but also this is a tourist and vacation spot. all the planes coming and going, people are not convinced not to come here and still have a vacation. heather: we will check with you later today. police i dealing with the latest disturbing terror trend, turning every day trucks and vans into killing machines. rob: killing hundred people across europe in a matter of months. what us intelligence new about barcelona. >> reporter: more than a dozen people left dead in the streets of barcelona, cold-blooded terrorists turning a van into a weapon again, the latest attack