Internally displaced Syrians carry their belongings as they arrive at a refugee camp near the Bab al-Salam crossing, across from Turkey's Kilis province, on the outskirts of the northern border town of Azaz, Syria February 6, 2016. [Reuters]
Up to 2 million refugees could flee to Turkey if fighting intensifies in northwestern Syria as aid funds run dangerously low, the United Nations said on Monday.