a perimeter around the malbeek station for obvious reasons. ambulances are arriving. there are masked police officers, armed officers in cars preventing anybody from going into the area and also on stand by should there be follow up operations required. i heard just a few minutes ago, although the sound subsided now, a helicopter overhead, too. what we're hearing from the authorities as you say is the confirmation that so far, the latest numbers of casualties are 15 dead. the scene as described by witnesses are one of panic and uncertainty. people are streaming out of that station, a large band obviously smoke, uncertainty and a huge amount of fear, as well. the authorities are telling people here to stay off the telephones, to only us s.n.s. communications to keep the phone lines free, and telling people if you don't have to go out, please stay home. i was here after the paris attacks. it was described as lockdown. it wasn't as much of a lockdown as we have here in brussels today. >> it's interesting that you say that. we have pictures live t