Hezbollah leader Hassan Nasrallah vowed on Sunday that his troops would be deployed across all Syria Anadolu Agency reported
Referring to Daesh - which controls large swaths of land in both Syria and Iraq - he added that the group posed "unparalleled threats."
"Daesh is now present in a large part of Syria," Nasrallah said in an address on the occasion of the 15th anniversary of the liberation of southern Lebanon from Israeli occupation.
He added that the militant group was also present in Iraq, Yemen, and Afghanistan.
Nasrallah lashed out at a United States-led international coalition against Daesh in both Syria and Iraq.
He said the peoples of the Middle East region had to depend on themselves to fight the group.
Hezbollah has been fighting in Syria side by side with the troops of the regime of Syrian President Bashar al-Assad since the eruption of the Syrian civil war almost four years ago.