A South Korean appeals court has upheld a ruling that acquitted Samsung Electronics Chairman Lee Jae-yong of financial criminal charges over a contentious merger between Samsung affiliates that cemented his grip over the biggest South Korean company

A passenger plane has caught fire before takeoff at an airport in South Korea, but all 176 people on board have been safely evacuated

The first report on last month’s Jeju Air crash in South Korea has confirmed bird strikes in the plane’s engines, though officials haven’t determined the cause of the accident that killed all but two of the 181 people on board

South Korean President Yoon Suk Yeol has become the country’s first leader to be indicted, less than two weeks after he was the first to be detained

Yoon declared martial law in a televised speech on Dec. 3.

Yonhap news agency says South Korean prosecutors have indicted the impeached President Yoon Suk Yeol over his imposition of martial law

South Korean protesters are repurposing traditional flower wreaths and K-pop light sticks as political protest tools amid President Yoon Suk Yeol’s impeachment trial, with both supporters and opponents sending hundreds of wreaths to government building...

South Korea will remove a concrete structure at the runway of one of its southern airports, the scene of a plane crash that killed all but two of the 181 people on board last month

The South Korean government has announced it will reduce indirect subsidies for biomass energy

South Korea’s impeached president has denied that he ordered the military to drag lawmakers out of the National Assembly to prevent them from voting to reject his martial law decree last month, as he appeared for the first time before the Constitutiona...

South Korean police detained impeached President Yoon Suk Yeol at his residence in Seoul on Wednesday local time, ABC News confirmed.

The detention comes weeks after investigators first attempted to arrest President Yoon Suk Yeol over his short-lived declaration of martial law in December. ABC News’ Joohee Cho reports.

South Korean police detained impeached President Yoon Suk Yeol at his residence in Seoul on Wednesday local time, ABC News confirmed.

Authorities say both of the plane’s black boxes stopped working four minutes before the 737 tried to land in a major setback for the investigation into the crash.

Impeached President Yoon Suk Yeol’s lawyer said he still strongly believes that the Corruption Investigation Office's execution of the arrest warrant is illegitimate.

Seoul Western District Court on Tuesday night reissued a warrant to detain impeached President Yoon Suk Yeol.

The JCS said the South Korean military has heightened surveillance for additional launches and maintaining a readiness posture to share info with the U.S. and Japan.

Thousands of South Korean citizens gathered on Sunday near impeached President Yoon Suk Yeol's residence a day before an arrest warrant for him expires. ABC News’ Britt Clennett reports.

With the arrest warrant for impeached President Yoon Suk Yeol expiring on Monday, the South Korean anti-corruption agency asked police to detain the embattled leader.

Thousands of South Korean citizens were gathering on Sunday near impeached President Yoon Suk Yeol’s residence a day before an arrest warrant for him expires.

Police vehicles and crowds of the impeached president's backers were seen outside his home in the South Korean capital.

South Korea’s anti-corruption agency dispatched investigators to detain impeached President Yoon Suk Yeol on Friday.

Some investigators were on their hands and knees, combing for forensic evidence around the crash site at Muan International Airport. Sunday's crash killed 179 people, leaving two survivors.

One of the two Jeju Air crew members who survived the Boeing 737 crash and is recovering in the ICU told doctors that when he woke up, he had already been rescued.

After a deadly plane crash in South Korea, authorities are conducting a full investigation on 101 of the same model of aircraft that are operating in six local airlines.

A flight attendant, one of just two survivors of the Jeju Air plane crash in South Korea on Sunday that killed 179 people, is awake and talking, a hospital official said.

A team from the NTSB joined South Korean investigators to figure out what led to Sunday's crash, which killed 179 people. Only two people -- both flight attendants -- survived the Jeju Air crash.

ABC News’ Stephanie Ramos speaks to pilot and aviation expert John Nance on what clues investigators are studying in the South Korea plane crash that claimed 179 lives.

South Korean investigators' request for an arrest and search warrant for impeached President Yoon Suk Yeol was approved by the court.

ABC News contributor and aviation consultant Col. Steve Ganyard breaks down the latest on the Jeju Air flight 2216 crash in South Korea.

Investigators are trying to determine what happened in the moments before a Boeing flight skidded off the runway, killing 179 people on board.

Officials are seeking to arrest him on insurrection and abuse of power charges.

U.S. federal officials have joined the investigation into the Jeju Air plane that was landing at Muan International Airport when it went off the runway and crashed into a wall.

Authorities in South Korea were working on Monday to confirm the identities of more than three dozen of the 179 passengers who were killed when a Jeju Air plane crashed.

The Jeju Air flight came in with no landing gear deployed, skidding at high speed before plowing into a wall and erupting into flames.

179 people are dead after an airplane veered off a runway upon landing at an airport in South Korea on Sunday morning, according to local media.

ABC’s Gio Benitez reports on the plane crash in South Korea on “This Week.”

ABC News Contributor John Nance joins Live to discuss the Jeju Air flight 2216 crash.

ABC News' contributor and aviation analyst John Nance discusses the deadly crash-landing, which authorities said killed at least 176 people.

The vote took place just 13 days after the country’s prime minister, Han Duk-soo, began his role as acting president.

The South Korean National Assembly voted on Saturday to impeach President Yoon Suk Yeol in a divisive vote.

The resignation comes two days after President Yoon Suk Yeol's impeachment vote.

South Korea’s parliament voted to impeach President Yoon Suk Yeol after he sent troops to the National Assembly during his attempt to enforce martial law.

The South Korean National Assembly has voted to impeach President Yoon Suk Yeol on Saturday in a divisive vote.

South Korea’s national assembly voted to impeach President Yoon Suk Yeol, suspending him from office after his declaration of martial law that plunged the country into political turmoil.

Officials in Seoul, South Korea, plan to spend $327 million over the next 5 years to battle loneliness.

The opposition parties moved to impeach President Yoon Suk Yeol last week but failed.

President Yoon Suk Yeol listed numerous grievances against opposition lawmakers in an effort to justify his actions.

The leader of South Korea's ruling People Power Party says he is now in favor of impeaching President Yoon Suk Yeol over his short-lived declaration of martial law.

The search follows more than a week of political turmoil in South Korea after Yoon's brief failed imposition of a police state.