Turkey may be preparing for a ground operation in northern Syria, Yeni Şafak writes, citing sources.

"In Operation Sword Claw, 89 terrorist targets were destroyed. Many PKK (Kurdistan Workers' Party, banned in Turkey) terrorists, including several top leaders, were eliminated. The operation is regarded as the first step of a possible ground operation in Syria," the newspaper writes.

The planes, taking off from six different bases across the country, reportedly conducted simultaneous operations against targets in Syria and northern Iraq.

"The operation, which was carried out by combat and support planes as well as drones, destroyed targets including shelters, bunkers, caves, tunnels and warehouses belonging to terrorists," the publication said.

The day before the Turkish Defense Ministry announced the beginning of the air operation against the Kurdish formations in the north of Syria and Iraq. According to the ministry, the terrorists use the northern territories of these countries as bases for attacks against Turkey.

The incident was caused by an act of terrorism committed in Istanbul on November 13. The explosion on the pedestrian street Istiklal killed six people and injured more than 80.