Three days after terrorist attack on Istanbul number of victims rose to 44. After the terrorist attack Turkey started large-scale anti-terrorist operation. Law enforcers detained members of Kurds’ Democratic Party. Turkish media reported that 118 representatives of the party have been arrested. They are accused of terrorism propaganda. As a result of attacks, Turkish aviation bombed the positions of Kurdish fighters in Iraq’s northern regions. Kurd’s freedom hawks, a militant group took responsibility for Istanbul attacks.