Samsung has started construction on a 5nm fabrication facility in Pyeongtaek, South Korea to take on TSMC's contract chipmaking business (Sohee Kim/Bloomberg)

Sohee Kim / Bloomberg:
Samsung has started construction on a 5nm fabrication facility in Pyeongtaek, South Korea to take on TSMC's contract chipmaking business  —  - Korea's largest company started building a new 5nm chip line  — Expansion coincides with U.S. rules threatening TSMC's clients

source http://www.techmeme.com/200521/p43#a200521p43