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Refugees wait for tents as Syrians fleeing the northern embattled city of Aleppo wait on February 6, 2016 in Bab al-Salama, near the city of Azaz, northern Syria, near the Turkish border crossing.
Thousands of Syrians were braving cold and rain at the Turkish border Saturday after fleeing a Russian-backed regime offensive on Aleppo that threatens a fresh humanitarian disaster in the country's second city. Around 40,000 civilians have fled their homes over the regime offensive, according to the Syrian Observatory for Human Rights monitor. / AFP / BULENT KILIC        (Photo credit should read BULENT KILIC/AFP/Getty Images)
Refugees wait for tents as Syrians fleeing the northern embattled city of Aleppo wait on February 6, 2016 in Bab al-Salama, near the city of Azaz, northern Syria, near the Turkish border crossing.
Thousands of Syrians were braving cold and rain at the Turkish border Saturday after fleeing a Russian-backed regime offensive on Aleppo that threatens a fresh humanitarian disaster in the country's second city. Around 40,000 civilians have fled their homes over the regime offensive, according to the Syrian Observatory for Human Rights monitor. / AFP / BULENT KILIC        (Photo credit should read BULENT KILIC/AFP/Getty Images)

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    Thousands of Syrians stranded along Turkish border

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Thousands of Syrians stranded along Turkish border

The U.N. estimates over 40,000 people have been displaced by the recent fighting around Aleppo,Syria. CNN's Arwa Damon reports.

Thousands of Syrians stranded along Turkish border

The U.N. estimates over 40,000 people have been displaced by the recent fighting around Aleppo,Syria. CNN's Arwa Damon reports.