The ISIL targeted a gathering of the Euphrates Shield Operation forces with a suicide vehicle in the village of Anifiyeh in Northeastern Aleppo, killing 11 militants from the Turkey-backed operation and injuring 50 others.
Based on the reports some of the inured forces are in critical conditions.
The latest reports said war is ravaging in the region after ISIL received reinforcements and military equipment.
The ISIL fighters warded off a joint attack of the Turkish army and their militant allies from the Free Syrian Army (FSA) in the town of al-Bab in Northeastern Aleppo last week, inflicting heavy losses on the forces of the Euphrates Shield Operation.
The Turkish soldiers and FSA militants launched a new offensive on the Eastern outskirt of Al-Bab on Sunday, targeting the ISIL positions in Umm Adaseh, Qabr Maqri and al-Saqlaniyeh.
The ISIL fighters repelled the assault, inflicting heavy casualties on the forces of the Euphrates Shield Operation.
In a matter of hours, the Turkish soldiers and FSA started retreating from the Eastern outskirts of al-Bab in order to evade more losses.
ISIL released a statement confirming defeat of the Turkish army and FSA, posting images of the latter retreating from areas across the Eastern outskirt of al-Bab.