North Korea says it has ratified a major defense treaty with Russia stipulating mutual military aid

Some 50,000 Russian and North Korean troops are preparing a new counteroffensive in Russia’s western Kursk region, multiple Ukrainian military sources told ABC News.

ABC News’ Ian Pannell reports on Russia preparing for a new offensive against Ukrainian forces.

Russia has reportedly gathered a force of 50,000 soldiers, including thousands of North Korean troops, to reclaim parts of Russia’s Kursk region that were seized by Ukraine. 

Some 50,000 Russian and North Korean troops are preparing a new counteroffensive in Russia’s western Kursk region, multiple Ukrainian military sources told ABC News.

A U.S.-led statement approved by 10 of the 15 U.N. Security Council members condemned a recent North Korean intercontinental ballistic missile launch

The launches come days after a trilateral military exercise run by the U.S., South Korea and Japan, according to the U.S. Indo-Pacific Command.

North Korea on Tuesday test-launched several short-range ballistic missiles, neighboring South Korea and Japan said.

NATO confirmed on Monday that North Korean troops had been deployed to fight alongside Russian troops in the Kursk region.

South Korea says the U.S. has flown a long-range bomber in a trilateral drill with South Korea and Japan in response to North Korea’s recent test-firing of a new intercontinental ballistic missile designed to strike the U.S. mainland

Ukraine’s President Volodymyr Zelenskyy has urged its allies to stop “watching” and take steps before North Korean troops deployed in Russia reach the battlefield

ABC News’ Patrick Reevell talks about what the escalation of troops by North Korea and Russia could mean in Ukraine, as well as in Asia.

Just days before the United States’ presidential election, North Korea conducted a new provocation by test-launching an intercontinental ballistic missile believed to be capable of reaching the U.S.

ABC News’ Luis Martinez reports on North Korea confirming it launched an intercontinental ballistic missile that traveled for about 90 minutes before dropping in the Sea of Japan.

A North Korean ballistic missile launch was intended as a message to "rivals" who have "escalated" regional tensions, according to leader Kim Jong Un.

A North Korean ballistic missile launch was intended as a message to "rivals" who have "escalated" regional tensions, according to leader Kim Jong Un.

North Korea's Foreign Minister Choe Son-hui left Pyongyang on Monday night for an official visit to Russia, North Korean state-controlled media reported.

The Pentagon reports that around 10,000 North Korean troops are training in Russia and may be deployed to Ukraine soon. President Joe Biden has labeled this situation "very dangerous." 

ABC News’ Ian Pannell reports on the latest deployment in the Kursk region, the area within Russia where Ukraine has been waging an assault.

Defense Secretary Lloyd Austin confirmed that the U.S. has evidence that North Korean troops are in Russia.

Refuse from a North Korean "trash balloon" landed inside the South Korean presidential compound in the capital Seoul amid rising tensions between the two neighbors.

A North Korean "trash balloon" landed inside the South Korean presidential compound in the capital Seoul on Thursday amid rising tensions between the two neighbors.

Around 3,000 North Korea soldiers may be deployed for combat in Ukraine, officials said. The White House called it a sign of "desperation" and "weakness," but noted that it's "highly concerning."

Defense Secretary Lloyd Austin confirmed Wednesday the U.S. has evidence that North Korean troops are in Russia.

ABC News’ Patrick Reevell reports on the troop movement which the defense secretary calls a “very, very serious issue.”

ABC News' Britt Clennett reports on this potential threat and the response from the U.S.

Austin's visit is his third to the country during its war with Russia. ABC News' Britt Clennett reports.

Geolocated video circulating online appears to show North Korean soldiers in Russia's far east, potentially to deploy to the war in Ukraine. ABC News' Ines de La Cuetara reports.

South Korean intelligence has said that North Korea is preparing to deploy up to 12,000 troops to help Russia fight in Ukraine.

South Korea's military said Tuesday it detected explosions on two cross-border roads connecting the country to North Korea.

South Korea's Unification Ministry said 31 defectors re-entered the North from 2012 to 2022, an average of about three each year.

The man allegedly tried to cross the Tongil Bridge in Paju, just south of the heavily fortified demilitarized zone.

South Korea officials said Pyongyang has launched 5,500 balloons across the border since May.

South Korea's Joint Chiefs of Staff said Seoul may respond militarily to any casualties caused by North Korea's launching of so-called "trash balloons."

Travis King, the U.S. Army private who ran across the border from South Korea to North Korea last year, pleaded guilty on Friday.

North Korea is set to partially reopen its doors to tourism later this year after being closed off since January 2020, according to a Chinese-based tourist operator.

Travis King, the U.S. Army soldier who ran across the border from South Korea to North Korea last year, will plead guilty to desertion, his attorney said.

Visitors will be allowed to visit Samjiyon City, but Pyongyang and other parts of the country will be restricted, according to Koryo Tours.

Curiosity over Kim Jong Un’s preteen daughter, Kim Ju Ae, has been accumulating since she first accompanied him holding hands to the ICBM test launch site in Nov. 2022.

The Justice Department has charged a North Korean military hacker for allegedly extorting hospitals and health care providers in the U.S. through a cyber espionage campaign.

Justice Department indicts North Korean military hacker for extorting hospitals, healthcare providers

The U.S. military condemned Monday's launches, calling on North Korea to put an end to its "unlawful and destabilizing acts."

A nuclear-powered aircraft carrier, the USS Theodore Roosevelt, reached port in Busan for planned drills with South Korea and Japan.

Putin's visit to Vietnam is widely seen as aimed at sending a signal that Russia still has friends in the region.

The two nations' leaders, Vladimir Putin and Kim Jong Un, pledged mutual support against foreign aggression.

Russian news agencies reported that President Vladimir Putin arrived in North Korea to discuss cooperation in overcoming U.S.-led sanctions amid escalating confrontations with Washington.

Russia's President Vladimir Putin has arrived in Pyongyang, North Korea, Tuesday evening.

ABC News’ Patrick Reevell and Mick Mulroy discuss this high-stakes meeting.

Russian President Vladimir Putin is expected to meet with North Korean leader Kim Jong Un in Pyongyang on Tuesday in his first visit to the country in 24 years.

North Korea sent some 3,500 balloons of various sizes across the border between May 28 and June 2, said Kim Kang Il, vice minister of National Defence.