"The National Cyber Security Center obtained intelligence on a possible cyber-attack from North Korea," Blue House spokeswoman Kim Hee-jung said.
Inside the Ring →
"We first thought they were washed away due to rains but a possibility of an (intentional) discharge is raised as a new opinion" by the media, presidential spokeswoman Kim Hee-jung told reporters. "We're analyzing the situation."
South Korea probing if North Korea sent mines →