Korean nuclear plant hack 'very worrisome'
The hack on a South Korea's nuclear plant operator has been described as 'very worrisome' as the people behind the attack remain unknown.
Designs and manuals of plant equipment owned by Korea Hydro and Nuclear Power Co (KHNP) were put online by an unknown individual or group last week.
A threat was made that unless three reactors were closed by Christmas, people should "stay away" from them.
The BBC's Steve Evans reports from Seoul.
22 Dec 2014
- From the section Asia