South Korean presidential spokesman Park Soo-hyun speaks at a media briefing on U.S. President Donald Trump's upcoming state visit at Cheong Wa Dae on November 5, 2017.
In Japan earlier Monday, Trump called Pyongyang's nuclear ambitions and weapons tests a "threat to the civilized world and global peace and stability". They can help us with Syria. "The regime continues development of its unlawful weapons programs including its illegal nuclear tests and outrageous launches of ballistic missiles directly over Japanese territory are a threat to the civilized world and worldwide peace and stability". It was not pleasant for them, was it?
The US Defense Department sent the letter in response to a request from two members of Congress for details regarding "expected casualty assessments in a conflict with North Korea" for US and allied forces in Japan, South Korea and Guam as well as civilians, the Post said.
The US administration is considering putting North Korea back on the list of state sponsors of terrorism amid growing demands from several US senators, who had mandated a congressional deadline for the State Department to take a decision.
"Nobody can predict when Trump does a reckless act".
A key US ally, South Korea is home to more than 50 million people.
Trump has accused South Korea in the past of not paying its fair share for the cost of US forces in the country.
Critics say the South Korean moves, dubbed by local media as its "Three No" policies, could undermine the operational capability of the allied South Korea-U.S. forces and Trump's push to bolter three-way cooperation with Seoul and Tokyo to put more pressure on Pyongyang.
Meanwhile, South Korea has also begun tightening its measures against the Pyongyang by implementing sanctions against 18 North Koreans.
China's fuel exports to North Korea fell in August, along with iron ore imports from the isolated nation, as trade slowed after the latest UN sanctions, but coal shipments resumed after a five-month hiatus.
In a June article in Bulletin of the Atomic Scientists, the military historian Reid Kirby said the types of artillery along the demilitarized zone, and vulnerability of children and the elderly, meant that a North Korean attack using the nerve agent Sarin could kill as many as 2.5 million people in Seoul and injure millions more. While they would offer protection against North Korea's conventional weapons, they are not created to withstand a nuclear or chemical attack.