The group first appeared in August 2004 , just weeks after the PKK called off the 1999 truce , assuming responsibility for two hotel bombings in Istanbul which claimed two victims . Since then , TAK has followed a strategy of escalation , committing numerous violent bomb attacks throughout Turkey , with a focus on western and central Turkey , including some tourist areas in Istanbul , Ankara , and southern Mediterranean resorts . TAK also claimed responsibility for the February 2016 Ankara bombing , which killed at least 28 people , the March 2016 Ankara bombing in the same city that killed another 37 people , and the December 2016 Istanbul bombings which killed 47 people
February 2016 Ankara bombing
February 2016 Ankara bombing
Kurdistan Freedom Hawks