A South Korean court has sentenced former president Yoon Suk Yeol to 30 years in prison for sending military drones into North Korea, in a case prosecutors said was tied to his failed martial law move in 2024.
Judges said Yoon used military power for political gain and tried to inflame tensions with Pyongyang to justify a national crisis. He is already in detention while appealing a separate life sentence over insurrection linked to his martial law declaration.
Judges said Yoon intended to provoke Pyongyang “into carrying out armed or equivalent acts against South Korea’s military of people”, according to a summary of their ruling seen by AFP
Yoon planned to “heighten inter-Korean military tensions and manufacture a national crisis” so his martial law could have been justified, they added.
The former president was given 30 years in jail over the drone incursion, a spokesperson for the Seoul Central District Court told AFP on June 12.
Yoon is in detention while he appeals a life sentence for leading an insurrection with his martial law declaration.
His defence has also denied the charge over the drones, arguing that operation was in response to North Korea sending balloons carrying trash across the border that year.
On June 12, the court’s judges said the 2024 drone operation “entailed the use of South Korea’s military capabilities for private purposes”.
The judges added that powers vested in the president, including supreme command of the armed forces and the authority to declare martial law, must be exercised to protect the nation’s survival and security.
But Yoon approved the military drone operation, “believing he could arbitrarily use such powers for his own political gain”, the judges said.
‘Most hostile’
Yoon’s shock late-night national televised address in December 2024 that suspended civilian rule plunged South Korea into an unprecedented political crisis.
Martial law lasted only about six hours as lawmakers raced to the assembly building and voted it down in an emergency session.
However, the incident triggered protests, sent the stock market plunging and caught key allies like the United States off-guard.
Yoon is facing multiple legal cases, and Lee Jae Myung was elected president after months of political chaos in the country.
Drone flights remain a flashpoint in tensions between the two Koreas, which remain technically at war.
In an incident unrelated to Yoon’s drone case, South Korean investigators found that government officials had sent drones into the nuclear-armed North in January.
Lee expressed regret earlier in 2026 over this drone incursion.
North Korean leader Kim Jong Un’s powerful sister called Lee’s statement “wise behaviour”, but hopes for a rapprochement between the nations faded after the diplomatically isolated nation returned to calling the South its “most hostile” enemy. AFP