Greece's conservative New Democracy party wins landslide election victory 

Greece's conservative New Democracy party leader Kyriakos Mitsotakis vowed to speed up reforms following his landslide victory Sunday in the country's second election in five weeks that granted him a comfortable parliamentary majority to form a government for a second four-year term.

Jubilant supporters gathered outside party headquarters in Athens, cheering, clapping, setting off fireworks and waving blue and white party flags. Near complete results show his party has won just over 40.5% of the vote, crushing his main rival, the left-wing Syriza party, which was struggling to reach 18%, 2 percentage points lower than the last elections in May.

"With today's electoral result, Greece opens a new, historic chapter in its course," Mitsotakis said in a televised statement. Voters, he said, "gave us a strong mandate to move faster on the course of the big changes our country needs. In a loud and mature way they have permanently closed a traumatic cycle of lies and toxicity that held the country back and divided society."

His second term as prime minister "can transform Greece at a dynamic pace of development which will increase salaries and reduce inequality, with better and free public health care, with a more effective and digital state and a strong country," he added.

Sunday's vote came just over a week after a migrant ship capsized and sank off the western coast of Greece, leaving hundreds of people dead and missing and calling into question the actions of Greek authorities and the country's strict migration policy. But the disaster, one of the worst in the Mediterranean in recent years, did not affect the election, with domestic economic issues at the forefront of voters' minds.

Mitsotakis' party was projected to win 158 of...