Prime Minister of Turkey, Recep Tayyip Erdoğan. Photo: wiki commons.

WSJ – BEIRUT—Turkey and Syria exchanged artillery fire for a fifth straight day Sunday, raising the prospect that a cross-border incident between the neighboring countries last week is turning into a prolonged confrontation that risks unsettling the broader region.

Turkey’s military fired artillery on targets inside Syria, Turkey’s state-run news agency said, after a Syrian-fired shell landed in Akcakale, the border town where Syrian artillery killed five Turkish citizens last Wednesday.

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