A little bit more info here...
Iranian officials told local news networks that the rear end of the Russian-built Tupolev 154 plane belonging to Taban Airline caught fire as the aircraft was landing at Mashhad airport.
"The plane went off the runaway upon landing and part of its rear end broke away," state television quoted as saying Javad Erfanian, head of disaster management of Khorasan Razavi province of which Mashhad is the capital.
"Forty-six people have been injured, but most of them are not serious."
46 injured as Iran plane catches fire: Report - Middle East - World - The Times of India