A union for almost 25% of the firm's South Korean workers called the walkout over pay and benefits.
https://www.bbc.com/news/articles/c51yelv4e72o?utm_source=dlvr.it&utm_medium=blogger
https://www.bbc.com/news/articles/c51yelv4e72o?utm_source=dlvr.it&utm_medium=blogger