Iran tends to lie about these things while Israel usually says the truth, at least after running an investigation. It's pretty simple: one is a dictatorship without free media, and the other one isn't. It's easy to lie when you can tell the newspapers what to write, and it's much harder when they're doing their job. You want an example? Khamenei. Iran says he's safe and wasn't hurt. Israel says he's dead. Let's see.