Brussels (AP) - The EU has warned Turkey about a military operation in northern Syria. "Further armed conflict will not only aggravate the suffering of the civilian population and lead to massive displacement, but also jeopardize current political efforts," said EU foreign policy spokeswoman Federica Mogherini. Call on all parties to end hostilities and protect civilians. Turkish President Recep Tayyip Erdogan announced on Saturday that a military operation against Kurdish militias in northern Syria was imminent.