Islamic State group says bomb downed Russian plane

The Islamic State group said Wednesday it had smuggled a bomb on board a Russian airliner that went down last month, after discovering a "way to compromise the security" at an Egyptian airport. The IS claim, published in the group's magazine, came a day after Moscow announced that traces of explosives had been found in the plane wreckage and vowed to hunt down the perpetrators. The attack on October 31 -- the deadliest against a Russian target since the Beslan school massacre in 2004 -- killed all 224 people on board the plane as it flew over Sinai en route to Saint Petersburg. On Wednesday, Russian...