Why are South Korea's medical students returning to classes after 17 months?

Thousands of South Korean medical students are returning to classes after being on strike for nearly a year-and-a-half. The announcement was made by the Korean Medical Students' Association on Monday. Prime Minister Kim Min-Seok hailed the development as a ‘big step forward’. But what happened? Why did they go on strike? Why did they ultimately call it off?

Explainers