The Lebanese army shelled militant positions in the border zone with Syria on Wednesday near a town that was seized by Islamist insurgents earlier this month, a security source said.

It was the first such engagement since the radical Sunni Muslim militants including fighters affiliated to Islamic State withdrew from the town of Arsal three weeks ago following five days of deadly battles with the army.

The army opened fire with artillery after observing suspicious movement by the militants, the source said. There was no immediate information on casualties. […]