About 29,000 people had fled North Korea and arrived in the South as of March
"Both leaders affirmed their commitment to achieving the denuclearization of the Korean Peninsula."
South Korean coastguard reported that around 70 fishing vessels had been forced back to port after GPS navigation
North Korea, which has long sought a peace treaty with the United States, has said the armistice is "long defunct."
The North's military said it was prepared to counter the U.S. and South Korean forces "with an ultra-precision blitzkrieg...
"China will not sit idly by and watch stability on the peninsula be destroyed on a basic level."
"Still valid are all proposals for preserving peace and stability on the peninsula."