The 46-year-old culprit, who has not yet been named, broke into the cruise ship cabin while suffering from hallucinations, authorities said.
"If he's working towards a deal, as you say, it's a deal we don't know about," John Brennan said. "He basically said he wants denuclearization. That is not going to happen."
President Donald Trump appeared to criticize South Korea during a Florida rally shortly before North Korea launched two more missiles.
The demilitarized stretch of land acts as a buffer between North and South Korea, and has become a de facto wildlife sanctuary.
The latest deaths sparked a six-day-long quarantine in the western Mongolian province of Bayan Olgii.
Kim Yeon-chul said economic leverage should be used to encourage denuclearization progress.
In an emotional mea culpa, Jung Joon-young said: "I am sorry. I made a big and inexcusable mistake, and I admit my guilt."
"I didn't think this summit went well for the president at all, more importantly for the U.S. national security," Mike Rogers, a former Republican congressman said.
The 370 foot-long, 6,000 ton Russian cargo ship took a wrong turn as it departed the Port of Busan.
The failure of the Hanoi summit made clear the limitations of bilateral talks, especially those between two leaders known to be temperamental.
"We recently got invited to perform at Coachella, which was unbelievable and we're really, really excited, and I guess we thought it would just be the right timing to kick off our US tour," said Rosé.
Founder of CARE organization alleged to have killed healthy dogs to free up space in shelters.
The names, birth dates and addresses of nearly 1,000 people were leaked.
For a nation that has a substantial number of Christians, Christmas is not so much about the birth of Christ as a romantic holiday for lovers.
Pyongyang said the U.S. needs to "study geography" and realize denuclearization refers to the entire Korean Peninsula.
The president will hold a high-stakes meeting with Chinese leader Xi Jinping but has canceled his sit-down with Russia's Vladimir Putin.
The 25-year-old said that many North Koreans are "indifferent" to Kin Jong Un's leadership and feel no loyalty to him.
China bans the consumption, sale and cultivation of marijuana.
South Korean citizens are subject to the country's strict drug laws even when abroad.
The push for peace between the two countries is gathering steam.