Fourteen delivery workers in South Korea have died of overwork this year because they had to handle a sharply higher volume of packages due to the coronavirus pandemic, with the latest fatality this week, a union official said.

A worker for CJ Logistics Corp collapsed while taking a short break late on Tuesday night and later died in hospital, according to an official at the union representing delivery workers.

The dead also included one worker who committed suicide after leaving a note about the harsh conditions he had toiled in, the official said.