Forty-eight people were killed when a small passenger plane crashed in the west of the Iranian capital Tehran, according to Iranian state TV.The plane crashed into the Azad residential block on Mina 6 Boulevard, IRNA reported. State television said that at least three people in the area were taken to hospital with burns. Iran has suffered a series of plane crashes, blamed on its ageing aircraft and poor maintenance record. Iran is still flying planes bought before the Islamic Revolution in 1979.The last major airliner crash in Iran happened in January 2011, when an Iran Air Boeing 727 broke to pieces on impact while trying an emergency landing in a snowstorm in northwestern Iran, killing at least 77 people.
