When South Koreans elect a president Tuesday, it will end months of domestic political turmoil — but their choice could change their relationship with the U.S.

By Hyunsu Yim SEOUL (Reuters) -South Korean e-commerce and courier companies agreed to a rare halt of their delivery services on Tuesday to allow busy delivery workers time to cast their ballot in the country's snap presidential election after pressure from unions and activists.

The next president will face daunting challenges to heal a polarized nation and bring stability after months of political turmoil.

South Koreans head to the polls Tuesday to elect a new president after an attempt to impose martial law at the end of last year triggered its worst constitutional crisis in decades.Opposition Democratic Party nominee Lee Jae-myung was the frontrunner ahead of conservative ruling People Power Party candidate Kim Moon-soo in final polls conducted last week.

Often likened to mermaids in media reports and popular culture, South Korea’s famed Haenyeo (“sea women”) spend much of the day underwater, diving without scuba gear to collect abalone, octopus, kelp and other prized seafood.

(Reuters) -South Korea captain Son Heung-min will be used sparingly in their World Cup qualifiers against Iraq and Kuwait as he builds up his match fitness following his return from a foot injury, coach Hong Myung-bo said on Monday.