Fierce clashes have been under way since Thursday evening (August 11th) near the Lebanese border town of Arsal between fighters from the "Islamic State of Iraq and the Levant" (ISIL) and Fateh al-Sham Front, formerly known as al-Nusra Front (ANF), Lebanon's Naharnet reported.
The Lebanese army meanwhile fired mortar shells nearby the border town of Ras Baalbek after detecting "suspicious movement", Voice of Lebanon radio reported.
The shelling inflicted casualties on ISIL fighters, the radio network said.
Al-Jadeed television said the army was also firing artillery on the outskirts of the border town of al-Qaa after detecting movements by militants.