Security forces have launched a large-scale investigation into the incident, and a manhunt is underway to apprehend the perpetrators.
The operation was launched after 10 soldiers of the Turkish security forces were killed in the PKK attacks on police and military outposts on September 2.
The PKK has been fighting for an autonomous Kurdish region inside Turkey since the 1980s.
A Turkish soldier has been killed by a roadside bomb planted by members of the outlawed Kurdistan Workers' Party (PKK) in the southeastern province of Sirnak.
Turkish troops were conducting an operation in Beytussebap district of the province on Sunday when a remote-controlled bomb was detonated as their vehicle passed, the Turkish newspaper