Will use military power if needed, Trump warns North Korea

"We cannot allow North Korea to threaten all that we have built," Trump said on the first day of a two-day visit to South Korea.

President Donald Trump warned North Korea on Tuesday the United States was prepared to use the full range of its military power if needed to defend itself and its allies during a visit to South Korea that took him to heart of the nuclear standoff with Pyongyang.

Speaking at a joint news conference with South Korean President Moon Jae-in, Trump said that while he hopes to use all tools short of military force, he was prepared to do whatever was necessary “to prevent the North Korean dictator from threatening lives ... so needlessly.”

“We cannot allow North Korea to threaten