CNN CNN Newsroom With Victor Blackwell and Christi Paul December 12, 2015 15:02:00
People on the streets, so many tourists in the runup to christmas. now they have two men of syrian origin arrested, the vehicle containing traces of explosives and toxic gases. >> there was another reason it was on high alert. authorities have been tracking a belgian van that's supposed to have briefly entered switzerland on tuesday. what do you know that about situation? >> reporter: there are various concerns. there's chatter about a plan to attack geneva and toronto and chicago as well. that's one piece of the information. the van, this is a van this was believed to have belgian registered ...