Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Flight Recorders Found in Ukrainian Crash, but Who Will Analyze Them? VOA News Authorities in Iran are investigating why a Ukrainian passenger jet crashed minutes after takeoff from Tehran's airport early Wednesday, killing all 176 people on board. The Ukraine International Airlines (UIA) flight was bound for Kyiv with 167 passengers and nine crew members. Ukrainian Foreign MinisterVadymPrystaikosaid the dead included 82 Iranians and 63 Canadians along with Ukrainians, Swedes, Afghans, Germans and Britons. The flag over the Canadian Parliament in Ottawa was lowered to half-staff Wednesday. Prime Minister Justin Trudeau said the entire country was "shocked and saddened" at one of its worst losses of life in a single day in years. Trudeau said 138 of the passengers had planned to take an onward flight from Kyiv to Toronto, many of them Iranian students hoping to return to school after a winter break with their families in Iran. He promised to work for a thorough investigation of the crash. U.N. Secretary-General Antonio Guterres offered his condolences, through a spokesman, to the families of the victims and the various countries from which they came. .