I don’t buy it. He then flees to Russia? The Russians do not like Israel and side with Iran. Something isn’t adding up.
The Russians do not like Israel
This is not even remotely true, you should probably read up on Russian Israeli relations, while they do engage with groups like Hamas and ally themselves with states opposed to Israel like Iran, Russia and Israel have a very close relationship
https://onlinelibrary.wiley.com/doi/10.1111/mepo.12743
or https://en.wikipedia.org/wiki/Israel–Russia_relations if you prefer
Assad would sell his mom for 5 bucks but Turkish state media is not exactly a source.
Israel and the US have surveilled Syria for years. They are going off their list of targets because they can bomb anything for free now.
it is interesting it is TASS reporting this though, you would think they wouldn’t bother writing about this unless it was in the Russian state’s interest to do so