A rescue helicopter flies over the air crash site of a Boeing 737 Ukrainian passenger plane in Parand district, southern Tehran, Iran, on Jan. 8, 2020. All the 179 passengers and crew members on board the Boeing 737 Ukrainian passenger plane that crashed near Tehran Imam Khomeini International Airport (IKA) on Wednesday morning were confirmed dead, Iran's Press TV reported. (Photo by Ahmad Halabisaz/Xinhua)