Accident raises yet more questions over transportation and security in Russia.
April 02, 2012
RUSSIAN EMERGENCY MINISTRY / EPA
Investigators and rescuers work at the site of the ATR-72 airliner crash outside Tyumen, about 1700 km from Moscow in western Siberia, Russia, on April 2, 2012. The passenger plane crashed and burst into flames after takeoff in an oil-producing region of Siberia on Monday, killing at least 31 of the 43 people on board, emergency officials said.