A blast Cilvegözü border gate in the southern province of Hatay left at least seven people dead and at least 30 wounded, the governor of the area told NTV channel.
Paramedics and ambulances were reportedly dispatched to the scene.
Reyhanlı Mayor Hüseyin Şanverdi told reporters that seven people were killed and around 30 were injured. He added a car carrying a Syrian plate might have been the cause of the explosion suggesting it could have been loaded with explosive.
Some reports say the blast occurred due to a mortar fired from Syrian territory.