center of the shot we're looking at, quite likely, quite possibly an area where forensic police are current working at the moment trying to establish more about the circumstances of the incident. >> ian, this is the situation now. of course, we have learned that the counterterrorism command has taken over this investigation, and we've learned from theresa may, the prime minister of britain, that police are treating this as a potential terrorist attack. she will chair a meeting in the morning, an emergency cobra meeting to discuss how london and indeed britain will deal with this. this is difficult time for the prime minister of britain. >> reporter: that's right. you have a number of attacks now, and so the question is how are you going to provide security for everyone here in the city and around the country, and that's one thing when i was speaking with the residents here, i asked them, you know, how do they feel about this attack, do they feel the police are doing enough, and they said,