A Syrian elderly disabled man who fled from the violence in his village, prays in front of his tent at a displaced camp, in the Syrian village of Atma, near the Turkish border with Syria. Saturday, Nov. 10, 2012. (AP Photo/ Khalil Hamra)

AMMAN, Jordan (AP) — Syrian activists say regime forces have attacked a border area with Turkey using helicopters and artillery after rebels captured a crossing point.

The Britain-based activist group Syrian Observatory for Human Rights said the Ras al-Ain border area was "under siege" on Sunday as tens of rebels tried to hold onto the border crossing.

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