With 60 percent of the vote counted, Syriza won 149 seats in the 300-seat Greek parliament.
ISIS is now seeking the release of a former suicide bomber in exchange for Kenji Goto's freedom.
The latest carnage in the eastern Ukrainian city has prompted the West to ratchet up pressure on Russia.
Lizard Squad, the group that says it is responsible for the online attack, disputed the airline's claim.
The plot would avenge the death of an Iranian general killed in a presumed Israeli airstrike.
The Northeast could face a crippling blizzard, thanks to winter snowstorm Juno.
Nigerian forces battled Boko Haram militants in clashes that killed 200 combatants.