"We will take our operations to all Turkish cities if the government continues its attacks against us," spokesman Ahmed Denis told AFP in the Iraqi Kurdistan regional capital of Arbil.

"Turkey wants to us take us towards war," he said. "She is not sincere in dealing with the Kurdish issue and doesn't want to deal with this issue peacefully."

"The measures she has taken so far are just a hoax," he added in allusion to the so-called "Kurdish opening" announced by Prime Minister Recep Tayyip Erdogan amid great fanfare last October.

The initiative has faltered amid an opposition outcry that Ankara is bowing to the PKK, as well as persistent rebel attacks and a judicial onslaught on Kurdish activists.