The Russian airliner that crashed in Egypt's Sinai Peninsula broke into pieces in midair, but it is too early to determine the cause of the crash, Russia's state-run media quoted an aviation official as saying.<br />"Disintegration of the fuselage took place in the air, and the fragments are scattered around a large area (about 20 square kilometers)," Viktor Sorochenko, executive director of Russia's Interstate Aviation Committee, told journalists, according to reports.<br />The remains of Russian tourists killed in a passenger jet crash in Egypt's Sinai Peninsula are expected to start arriving back in St. Petersburg, Russia, on Sunday as questions swirl over what caused the disaster.<br />All 224 people aboard Kogalymavia Flight 9268 died in the crash Saturday morning that left debris strewn across a remote area of a region plagued by a violent Islamic insurgency.
