The latest attack comes after U.S. forces struck ISIS infrastructure and weapons sites last month in retaliation for the deaths of two U.S. soldiers and a civilian interpreter.

The U.S. is scrambling to contain a worsening clash between two of its military partners in Syria, as the country’s new government battles a Kurdish militia in the city of Aleppo.Lethal fighting raged Thursday between the two sides in the divided city where Kurdish-led forces hold key neighborhoods.

The military launched strikes after Kurdish forces rejected what they called demands to "surrender." The Syrian government has been struggling to unite disparate groups since taking power a year ago.

The US has proposed a demilitarised economic zone and joint coordination mechanism to reduce tensions between Syria and Israel following talks in Paris.

Syria's new government and Israel will set up a joint group under US supervision to share intelligence and seek military de-escalation on the ground, they announced Tuesday after talks. "Both sides have decided to establish a joint fusion mechanism -- a dedicated communication cell -- to facilitate immediate and ongoing coordination on their intelligence sharing,