Officials say 14 people have in clashes between Kurdish rebels and Turkish security forces days before a G-20 summit in Turkey.

The regional governor's office said Friday that Turkish security forces killed 11 Kurdistan Workers' Party, or PKK, fighters in clashes in the mainly Kurdish province of Sirnak, bordering Iraq.

The rebels detonated a bomb on a road in the town of Lice, killing two soldiers. Another soldier died in a clash in Van province.

On Friday, Prime Minister Ahmet Davutoglu vowed to press ahead with anti-PKK operations in the town of Silvan, where authorities have imposed a curfew in three districts for the past 11 days. Turkey's Human Rights Association says two security force members and seven civilians have died there since Nov. 3.