Iran has completed a detailed investigation into the May 19 helicopter crash that killed President Ebrahim Raisi, according to Reuters. According to the official version, the accident in which Raisi died was caused by weather conditions and the helicopter’s inability to handle the weight. It is noted that the crash was recognized as an accident. “The investigation in the case of Ayatollah Raisi’s helicopter crash has been completed … there is complete certainty that what happened was an accident,” the statement says. In addition, it was found that the aircrew and officials followed all the n…