Russia's UTair says its plane requested emergency landing in Russia

MOSCOW (Reuters) - Russian airline UTair said on Wednesday one of its Boeing 737 airplanes had requested an emergency landing at St. Petersburg's Pulkovo airport, a spokeswoman for the company said. Earlier a Russian aviation source said one engine on the plane had failed and that it was due to make the landing at 12:25 p.m. (0925 GMT). (Reporting by Gleb Stolyarov, writing by Elizabeth Piper, editing by Thomas Grove)