A group aligned to the Kurdistan Workers Party (PKK) claimed responsibility for Saturday's attack in Istanbul, Turkey which killed 38 people, injuring 155.
The Kurdistan Freedom Hawks (TAK) made its claim in a statement published on its website on Sunday, which said "the latest bombings were in reprisal for ongoing violence in the south-eastern Turkey and for the continuing imprisonment of PKK leader Abdullah Ocalan."
TAK has previously claimed responsibility for a number of attacks mainly in the Kurdish region of Turkey, including the Ankara attack which killed 37.