The national Council for transport safety of the USA (NTSB) received notification from Iran to participate in the investigation of the crash of the aircraft of Ukrainian airlines UIA, reported in the circulation Department, received in the Last news . In addition, the invitation aimed to the canadian side. in the NTSB stressed that the main role in the investigation played the Iranian side, which the Ministry did not want to speculate on the causes of the incident and referred all problems to Tehran. for his part, foreign Minister of Canada, françois-Philippe champagne said that Iran will issue visas for canadian experts to participate in the investigation of the crash. before the Iranian authorities applauded the participation in the investigation of the crash Boeing Ukrainian commissioners of the countries whose citizens lost their lives in the crash. While in Tehran, called on Canada and other countries to share information about the details of the fall of the Ukrainian liner. Boeing 737-800 " Ukraine International airlines ", flying from the Iranian capital to Kiev, crashed on the night of 8 January, shortly after taking off from the airport of Imam Khomeini. lost his life 176: 167 passengers from Iran, Ukraine, Canada, Germany, Sweden and Afghanistan as well as nine crew members. in the report of the civil aviation Organization of Iran reported that the plane was on fire before the collision with the ground. Furthermore, the trajectory of the liner indicates that the crew turned towards the airport, but the pilots of emergency situations did not. Media referring to sources in canadian security services, wrote that there is evidence of overheating on one of the engines, and that was the cause of the fall. According to sources, Western intelligence agencies concluded that the plane was not shot down by a missile. <span style="color:darkgray