At least 40 people have been hurt in a fire on board a Russian-made aircraft in northeastern Iran.
Authorities say the plane, owned by Taban Air, caught fire while landing in the city of Mashhad.
State media says 170 people were on board the plane. So far there are no reports of fatalities.
Officials say the plane was severely damaged in the landing and broke up after passengers had been taken off.
Iran has suffered a string of crashes in the past few decades, many involving Russian-made aircraft.