Mahan Air B747 loses engine on climb out from Tehran
The aircraft, bound for Bandar Abbas in the south of the country landed back at Mehrabad without any injury to the 426 passengers on board.
Reports say that part of the plane's engine number three fell off two minutes into the flight with some parts hitting the airframe.
Iranian journalists have claimed the engine then part fell into an urban area, but no one on the ground is thought to have been injured.
According to the airline, the aircraft had undergone all necessary safety checks and inspections prior to departure.
Mahan Air operates domestic and long-distance flights - some of which travel from Tehran to Italy, Germany, Greece and Turkey.
The Boeing 747 engine on the ground in Tehran Pic: Tasnim News Agency
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