Jailed former lawmaker Ilias Kasidiaris throws his support behind newly formed little-known Spartans Party ahead of upcoming vote

With most votes counted, Kyriakos Mitsotakis leads his opponent by 20 points; conservative leader expected to call another election in hopes of winning an outright majority

First election since end of post-crisis international economic supervision pits conservative Prime Minister Kyriakos Mitsotakis against left-wing Alexis Tsipras

Legislative amendment disqualifies Greek National Party, whose chief is in prison over past leadership of neo-Nazi-linked Golden Dawn; opposition frets law could be abused