hour when they update us on the latest in their investigation and of course on the latest in the condition of the victims, d sarks . are they letting any residents back into the area that police had cordoned off yet? reporter: no. as we ve been standing here actually, almost every few minutes somebody tries to come by either to get to work. this is a very busy area. there are businesses here, people s homes. the police saying you guys might not be able to get in here for quite some time. this is an active crime scene, an active investigation taking place. i don t know if you can see behind me, but three large police vans blocking off the street. there are many more police officers down there, counterterrorism units down there as well. there s going to be forensic investigators collecting pieces of evidence, combing through the crime scene, trying to figure out exactly what it is that took place here just hours ago as they investigate this potential terrorist attack. dara? lucy, r