Investigators have found a human male head at the explosion site at Domodedovo airport and currently believe it might have been the suicide bomber's head, RIA Novosti reported.

According to the Russian Investigative Committee, the blast occurred at about 04:30pm Moscow time (13:32 GMT) at the international arrivals gate. According to preliminary data, a suicide bomber was reported to have detonated himself in the crowd at the arrival gate. The explosion was estimated to be equal to 5-7kg of TNT. 3 men are wanted by police for organising the terrorist attack at Domodedovo airport. A criminal case under Article 205 (act of terrorism) of the Russian Criminal Code has been initiated.