He says the bomber was well known by turkey. We are seeing video of the moment of the attack, some images are disturbing. Some of them, we see a gunman running through the airport. You can see him with his weapon, people scattering off to the side. This is inside the arrivals area of the international terminal. We also have video of an attacker without his gun drawn. According to turkish broadcaster, he is confronted by an undercover officer that asks for identification. The attacker opens fire. I want to bring in alexandra field, we also have Matthew Chance in moscow. Alexandra, weve seen more than a dozen antiterror raids in turkey after the attack. What can you tell us about that . Reporter right, no doubt we will continue to see those kinds of raids happening. Since the attacks were unleash at the airport behind me, that officials have been conducting Counter Terrorism raids. They picked up some 13 people in istanbul, another 9 in a coastal city. Not clear why they picked up the pe