A peace deal to end a long, violent Middle East conflict between Turkey and its minority Kurds began Wednesday when PKK rebels began a retreat into Iraq under a cease-fire. Now Turkey must deliver its part of the bargain. Both sides recognize a new reality in the region.
The killings of PKK founder Sakine Cansiz and two others could be an attempt to derail negotiations between Ankara and the PKK to peacefully end the militant group's separatist campaign.
Young Kurds see little reason to pin hopes on a Turkish government plan to improve their lives. Instead they are turning to Kurdish rebel groups.
A controversial court case, in which defendants have been barred from speaking Kurdish, reflects deeper tensions as Turkey tries to reconcile with a restive minority.
There was no immediate claim of responsibility for the Istanbul suicide attack in the heart of the city, which injured 17 civilians and 15 police, Sunday.
The Kurdish Workers Party (PKK), which is engaged in an escalating conflict with the military that has killed at least 13 soldiers since Friday, is suspected of coordinating Tuesday's Istanbul bomb attack.