Kuwaiti daily Al Jarida reported on Mar. 6 that Russia has suspended the delivery of the S-300 air defense system to Iran after getting evidence from Israel that Iran had diverted teh Pantsir-S1 air defense system to Hezbollah.
Mil.ru [CC BY 4.0], via Wikimedia Commons
The newspaper quoted an anonymous source as saying that Russian President Vladimir Putin personally ordered the suspension.
The existence of the Pantsir-S1 in Hezbollah control was corroborated by Russian aircrew operating in Syria. They had detected radar emissions from the Pantsir-S1 in Hezbollah-controlled regions near Lebanon.