nationalot in the interests and i would say, for heaven's sake, man. reporter: it may be corbyn's last time to take on cameron at prime minister questions as both the entire u.k. scramble for answers. >> turkey is observing a day of mourning after 41 people were killed in a gun and suicide bomb attack in istanbul airport. people were left wounded. three attackers were seen opening fire before blowing themselves up. one's claimed responsibility. the government, though, is blaming the islamic state organization. ataturk airport is the third people in the europe and from several countries were among the dead. reporter: the latest is that intelligence apparently warned government 20 days ago of a possible islamic state group istanbul, mentioning several targets. one of them being ataturk airport. now, i think this just shows that in confrontations of this kind, the advantages do lie with the terrorists. the governments can take will reduce the casualties but they cannot eliminate them. familiar with airports in london, paris and frankfurt and to my unprofe