The Turkish prime minister said Europe is ignoring the threat, "as if dancing in a minefield."
The president's proposal comes after the third Ankara bomb blast in just six months.
Security officials said first findings suggested the PKK or an affiliate group was responsible.
The world is ignoring the Kurdish plight in southeastern Turkey, writes HDP leader Selahattin Demirtas.
Pro-Kurdish leader says the Turkish President wants to turn country into "caliphate of Islam."
The attack in Nusaybin, near the Syrian border, also wounded 35 people.
President Erdogan is conducting a tour of West Africa to boost trade links.
More than 1,000 people signed a declaration against the clashes in southeastern Turkey.
The death toll includes civilians and 39 others were injured.
Turkey must perform a policy U-turn if it is to become a stabilizing force in the Middle East, writes Fadi Hakura.
Since the collapse of a ceasefire in July, the mainly Kurdish southeast has been wracked by clashes between security forces and PKK fighters.
The clashes are the latest following the collapse of a ceasefire between the government and the Kurdistan Workers Party (PKK).
A policeman was also killed in southeastern Turkey during clashes with the PKK militants.
Tahir Elci was gunned down in a city at the center of months of violence.
Nine wounded in clashes between police and PKK fighters in southeastern Turkey.
People turned to the devil they know, even as the country slides toward dictatorship.
The new alliance calls itself the Democratic Forces of Syria.