South Korea strongly protested against the decision, summoning Tokyo's ambassador in Seoul and convening an intra-agency emergency meeting to craft its response.
CCTV footage shows the couple smearing paint on a valuable piece by street artist JonOne.
The withdrawal due to COVID-19 concerns will be the first time North Korea has missed a Summer Olympics since it boycotted Seoul in 1988 amid the Cold War.
The launches came a day after U.S. and South Korean officials said the North fired short-range weapons presumed as cruise missiles into its western sea over the weekend.
North Korea has so far rebuffed entreaties from the U.S. to engage in dialog, the White House said on Monday, as a chill in relations that began under then-President Donald Trump.
``We will always stand together as we work for peace on the Korean Peninsula and tackle global challenges,'' Moon said.
The new variant was found in three people who had entered South Korea from London on Dec. 22.
Hospitals were at breaking point with only three critical care beds available in greater Seoul, an area with a population of almost 26 million people, officials said.
South Korean intelligence officials say Kim Jong Un has been angry and irrational over the coronavirus pandemic in neighbouring North Korea.
Lawmakers said South Korea's intelligence agency did not specify how many and which drugmakers were targeted but said there was no damage from the hacking attempts.
The daily tally of 569 came a day after the numbers hit the highest level since March 6, when South Korea was reeling from the first major COVID-19 outbreak outside China.
The man reportedly leaped over a 10-foot fence along the heavily-defended Korean DMZ, dodging guards and barbed wire to escape Kim Jong Un's regime.
The Regional Comprehensive Economic Partnership, or RCEP, was signed virtually on Sunday on the sidelines of the annual summit of the 10-nation Association of Southeast Asian Nations.
The Joint Chiefs of Staff said that government agencies will launch a joint investigation to find out why and how the man crossed the mine-strewn border into South Korea.
A Samsung statement said Lee died on Sunday with his family members, including his son and de facto company chief Lee Jae-yong, by his side.
At least 13 vaccinated people have died, yet officials say they will not cancel the program, citing a "low possibility that the deaths resulted from the shots."
While some experts say they could be mock-ups of missiles under development, their disclosures suggest North Korea has been continuously pushing to boost its weapons capability amid a stalemate in nuclear diplomacy with the United States.
Authorities suspected the man, who had entered the country on a ship crew visa, intended to illegally stay in South Korea.
``We urge the South side to immediately halt the intrusion across the military demarcation line in the West Sea that may lead to escalation of tensions,'' the official Korean Central News Agency said. ``It arouses our due vigilance as it may lead ...
The South Korean government official who was shot by North Korean troops Tuesday was apparently trying to defect.