Hezbollah's intelligence headquarters has a branch in Syria that contains an intelligence gathering, coordination, and assessment network.
Al-Assi has been under IDF surveillance for some time and was detained and transferred for interrogation in Israel.
Netanyahu vowed that the IDF would thwart Hezbollah's attempts to rearm and would “respond firmly against any action against us.”
Ankara seeks through attacks to drive a wedge between Syrian Kurds and the US.
The military said it was conducting strikes to reduce the transfer of weapons from Iran to Hezbollah via Syria.
Iran, Syria, and Iraq closed their airspace indefinitely after Israel's attack on Iranian military facilities.
Israel strikes across Iran • Biden tells Iran not to retaliate to Israel strikes
Hezbollah's unit 4400 was responsible for the transfer of such weapons from Syria into Lebanon.
The IDF said that Hezbollah sources funds either through theft from Lebanese civilians or direct cash injection from the Iranian Treasury.
As Israel fights Iran's proxies in Gaza and Lebanon, Iran's efforts to destabilize the region could open another dangerous front in the east.