Turkey on Wednesday shelled Syria in retaliation for cross-border fire that killed five Turkish nationals, the prime minister's office said in a statement.
"Our armed forces in the border region immediately retaliated against this heinous attack... by shelling the targets spotted by radar," it said.
"Turkey will never leave unanswered such provocations by the Syrian regime targeting our national security, in line with engagement rules and international law."
Turkey protested angrily to the UN and NATO after Syrian shelling Wednesday killed five people, among them a mother and her three children, who were the first Turkish nationals killed by cross-border fire in the Syrian conflict.
Foreign Minister Ahmet Davutoglu had contacted NATO chief Anders Fogh Rasmussen, and "it has been decided that the NATO council meet urgently", the prime ministry said in the statement.
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