i‘m joined now by david gleave, who is an aviation safety investigator at loughborough university.sile. you have the iranians are saying that that simply is impossible, it‘s not what happened. what is your analysis today, taking into account everything that you have been able to learn so far? well, there is a safety —— as a safety investigator, you try to keep an open mind until you try to keep an open mind until you have conclusive evidence, one way or the other. i think the initial reaction from the iranians that there was one reaction that said it was shot down, and another that said it couldn‘t have been, thenit that said it couldn‘t have been, then it definitely wasn‘t. we have seen then it definitely wasn‘t. we have seen reactions from the west that said it was, then it wasn‘t, and thenit said it was, then it wasn‘t, and then it was again. i am keeping an open mind at this stage, and i cannot verify it because i am not on site, i haven‘t seen the parts myself, in that sense, so let‘s wait until the official investigation gets going before we make any conclusions. certainly, i