A military cargo plane overshot a runway, crashed and caught fire during a botched landing near the Iranian capital Tehran, killing 13 people, the army said Monday.
The plane was carrying meat from Bishkek in Kyrgyzstan when it crashed near the capital Tehran, the army said in a statement, adding that "13 of the plane's personnel were killed".
The charred remains of a plane's fuselage with Iranian Air Force colours, its nose wedged through the wall of what appeared to be a house, were seen in photographs obtained by AFP.
Wreckage including a landing gear and a mangled jet engine were scattered nearby.
"A (Boeing) cargo 707 place carrying meat took off from Bishkek in Kyrgyzstan and had an emergency landing at Fath airport this morning," the army said in a statement on its website.
"It exited the runway during the landing and caught fire after hitting the wall at the end of the runway." Fath airport is in Alborz province, just northwest of Tehran.
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The Fars news agency, considered close to the military, earlier said there were 16 people onboard and that only the flight engineer had survived.
State broadcaster IRIB showed footage of burning wreckage.
Investigators found the plane's black box, which will provide more details about the crash, deputy Alborz governor Azizollah Shahbazi told Tasnim news agency.
Pictures published by local media showed the charred carcasses of the animals on board, still smouldering inside one of the buildings the plane smashed into.
Fars carried a video showing emergency teams cutting through the plane's nose, which had penetrated what it said was an empty residential complex.
Iran's ageing air fleet has had a string of crashes in recent years.
Iran's Aseman Airlines was ordered to ground its fleet of ATR planes in February last year after one of them crashed in the Zagros mountains, killing all 66 people onboard.
Iran has been subject to tough US sanctions for years, hindering the purchase of new aeroplanes and critical spare parts for the US-made planes in its air force, civilian flag carrier Iran Air and domestic airlines.
Hopes of a change in the situation were dashed last May when Washington pulled out of a landmark 2015 deal over Iran's nuclear programme, reimposing sanctions that had been lifted as part of the multilateral accord.