North Korea’s Foreign Minister Ri Yong Ho said Monday that President Trump had declared war on his country, and that Pyongyang had the right to shoot down US bombers even if they were not in the nation’s airspace, the New York Post reported Monday.

"The whole world should clearly remember it was the US who first declared war on our country," he told reporters in New York.

The threats came a day after a North Korean parliamentary committee sent a letter to several international parliaments condemning Trump’s saber-rattling.

The letter sent Sunday condemned Trump, calling his speech at the UN last week “ignorant.”

Trump threatened to “totally destroy” North Korea and its 25 million people and called North Korean dictator Kim Jong Un “Rocket Man”.