On Thursday, North Korea declared a "maximum emergency" virus control system, announcing the first case of the omicron variant of COVID-19, despite the fact that no official confirmed cases have been reported to date.
Kim Jong Un has also declared a state of emergency in all cities.
According to the North's official Korean Central News Agency, authorities determined that samples collected on Sunday from fever-ridden patients in Pyongyang were identical to omicron (KCNA).
According to the report, North Korean leader Kim Jong-un vowed to overcome the "unexpected crisis."
This story is developing.