The Arabic-language al-Manar TV Channel reported that the Turkish fighter jets have been flying in large numbers over the border region with Hasaka province in Northeastern Syria.
It further said that the US-led coalition forces and the Washington-backed Syrian Democratic Forces (SDF) held joint patrol along Syria-Turkey border between the two small towns of al-Darbasiyah in Northern Hasaka, and Ra'as al-Ein in Northwestern Hasaka.
The tv channel went on to say that a large number of Turkish troops and Ankara-backed militants have been put on alert along the contact lines with the SDF in Northern Syria to be used in a military operation on the Eastern banks of the Euphrates River.
In the meantime, the London-based Syrian Observatory for Human Rights (SOHR) reported that the SDF commanders held a meeting over countering Turkey's possible attack on the Eastern banks of the Euphrates River.
The Kurdish-language Hawar news reported on Sunday that the Kurdish militias launched a sum of 19 penetration, sniper and ambush attacks against the Turkish army and its allied militants in Afrin region in October that left 42 Ankara forces, inducing three Turkish soldiers, dead.
It further said that a sum of 10 Ankara forces were injured and 8 military vehicles destroyed in the Kurds' attacks.
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