BEIRUT, March 18 (Reuters) - Syrian air force jets fired four rockets at an uninhabited section of the border with Lebanon on Monday, security sources said, four days after Damascus warned it may strike at Syrian rebels taking refuge across the frontier.
The sources said there were no immediate indications of casualties from the air strike near the Bekaa Valley town of Arsal, whose Sunni Muslim residents mainly support Syrian rebels fighting to topple President Bashar al-Assad. (Editing by Louise Ireland)
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