Forty people are killed when <a href="https://en.wikipedia.org/wiki/Sepahan_Airlines_Flight_5915" id="mwAY0" rel="mw:WikiLink" title="Sepahan Airlines Flight 5915">Sepahan Airlines Flight 5915</a> crashes at Tehran's <a href="https://en.wikipedia.org/wiki/Mehrabad_International_Airport" id="mwAY4" rel="mw:WikiLink" title="Mehrabad International Airport">Mehrabad International Airport</a>.