It is thought the fighter is the first from the country to be taken as a prisoner of war since Pyongyang deployed troops to support Moscow.
South Korea's National Intelligence Service said the soldier died from "serious injuries".
Some 10,000 North Korean troops have been sent back to Russian forces, according to Kyiv and Seoul.
This story is from the {{IssueName}} edition of {{MagazineName}}.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber ? Sign In
This story is from the {{IssueName}} edition of {{MagazineName}}.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber? Sign In
Forest party like it's 1979 as Nuno's men are second to none
CHRIS WOOD and Morgan Gibbs-White had Nottingham Forest fans ringing in the new year like it was 1979.
REDS MAKE CAPITAL GAINS
Slot's men run riot in London again as Salah weaves magic
Relief at last for Pep but it's far from easy
SAVINHO GOAL SETS UP RARE AWAYDAY DELIGHT
Dynamo Delap will one day roar for Lions
ENZO BACKING FORMER CITY ACADEMY STRIKER TO STAR FOR ENGLAND
BRENDEN HAS LEEDS ON TOP
Aaronson brings some New Year cheer
CRAZY RIDE
Luke aims to top roller-coaster year with big prize
New coach Andy is so handy for Novak
BUT TELLING HIM SECRETS IS 'STRANGE'
A DAY TO REMEMBER
Elliott mare becomes major Champion Hurdle prospect
Young peer launches Bill to criminalise deepfake porn
ONE of the youngest peers in the Lords will attempt to make her mark by criminalising deepfake porn.
Trainee officers arrest fleeing rapist
THIS is the moment CCTV captured two student police officers chasing a rapist in the street after he attacked a woman in a park.
