Over the last week, Donald Trump has taken his feud with North Korea and Kim Jong-un to the next level. After Trump posted yet another provocative tweet, North Korean Foreign Minister Ri Yong Ho sent a message to the president.

Trump and North Korea

Rewinding back to earlier this year, Donald Trump didn't keep his thoughts about North Korea to himself. Despite appearing to compliment Kim Jong-un during the 2016 presidential election, there has been no love lost between the two since the start of the year. As Kim continues to launch test missiles in the region, the United Nations has cracked down on the rival country with some of the strictest sanctions every imposed.

Trump has supported even stronger sanctions against North Korea, while mocking their leader with a nickname of his own. In a tweet sent out last week, the former host of "The Apprentice" referred to Kim as "Rocket Man," while using the nickname a second time in front of dozens of world leaders at the United Nations General Assembly. As seen on his Twitter feed on September 23, Trump has once again gone after his newest enemy, as well as the nuclear deal with Iran.

Taking to Twitter on Saturday, Donald Trump took aim at the Iran nuclear deal, while also ripping into their relationship with North Korea.

"Iran just test-fired a Ballistic Missile capable of reaching Israel.They are also working with North Korea. Not much of an agreement we have!" Trump wrote. Trump's tweet came just a day after attacking Kim Jong-un directly, calling him a "madman," while claiming he "doesn't mind starving or killing his people."

North Korea responds

While Donald Trump was in the middle of attacking Kim Jong-un on social media, the county's foreign minister addressed the United Nations and sent a threat to the president in the process.

"Due to his lacking of basic common knowledge and proper sentiment, he tried to insult the supreme dignity of my country by referring it to a rocket. " Ri Yong Ho said.

Ri Yong Ho went on to warn that Donald Trump "committed an irreversible mistake" and that the country's plan to launch a rocket at the United States was now "inevitable." Ri's serious comments to the U.N.

come after Kim Jong-un released a critical statement directed at Trump, calling the U.S. president a "a mentally deranged dotard." As Trump and Kim continue to trade insults, many fear that the current war of words will turn into a real battle between both sides.