The bombs that killed over 40 people in a Turkish border town came from Syria, Turkey's interior minister says.
Turkey has accused a group with links to Syrian intelligence of carrying out the deadly bombings.
Damascus has denied any involvement.
The two car bombs has increased fears that Syria's civil war is dragging in neighbouring states.
Turkey has called on the world to act against Syrian President Bashar al-Assad's government.
Turkey says bombs brought from Syria (0:30)
May 13 - Turkey says bombs that killed 46 people in a Turkish border town were brought in illegally from Syria. Marie-Claire Fennessy reports. ( Transcript )