Those responsible will be sued and investigated. Victims' families will be compensated. [full statement]
Explanation from the Iran Armed Forces [link]
The IRGC Aerospace Force commander accepted full responsibility & held a presser. [English translation]
- this is an interesting read ^
He says the plane deviated into a sensitive military zone:
Iran should have shut down civilian airspace when they went into high alert & they need a proper IFF (Identification Friend or Foe) system to prevent these mistakes. I'd like to know what made the plane deviate from its course.