The most likely hypothesis: it is the work of a rival militia. In the area live several leaders of the group, which has recently suffered an escalation of attacks.
Prolonged clashes between Sultan Murad, Ahrar al-Sharqiya and the Hamza Division in Sere Kaniye. The TAF impose a curfew. The cause is always the resources.
It’s confirmed by the IS attacks on the SAA after more than 200 strikes by Moscow fighters. The war between pro-Turkish militias in Idlib-Aleppo is also deepening.
A Moscow-SAA maxi-offensive against pro-Ankara militias is hypothesized. It would exploit the Turkey difficulties after the violations of the truce on Kurdistan.
Attacks against TAF by groups cut off from aid distributed by HTS are increasing. Ankara, however, also has the Kurdistan issue. Erdogan has two choices.
Battle between the jihadists of the Al-Hamza Division in Hasaka for the control of resources and checkpoints. It is only the latest episode of a growing trend.