Families and friends of those killed in the Ataturk airport attack have gathered at the Istanbul Forensic Institution where the bodies are being identified.<br /><br /> People wait for the identities of the victims. #istanbulattack pic.twitter.com/wASoqHEcja— Bora Bayraktar (@Bora_Bayraktar) June 29, 2016<br /><br /> As relatives grieved Turkey observed a national day of mourning.<br /><br /> Our correspondent in Istanbul Bora Bayraktar said: “This is the place when the pain is most deeply felt after the terrorist attack. It’s here that the bodies are handed back to <br />relatives.”<br /><br /> Authorities continue to piece together events using CCTV footage and mobile phone videos made by terrified people. <br /><br /> A simple favour for a friend turned into tragedy for one man:“He was there to pick up a mutual friend from the airport. While they were leaving the attack happened. He was shot, a policeman smothered a suicide bomber. He sacrificed himself and saved many others. <br />We will take his body to our hometown. My friend was married with three children. I condemn terrorism.” <br /><br /> The assault on Ataturk airport is the sixth major attack this year on Istanbul or the Turkish capital, Ankara.<br />