Poland has finalized a deal to acquire a second batch of 180 South Korean tanks under a 2022 agreement that will eventually see Warsaw boost its arsenal with almost 1,000 of the armored vehicles.

South Korea, Japan and the United States conducted a joint air drill on Friday involving a U.S. B-52 strategic bomber and fighter jets of the three allies over international waters, the South's defence ministry said.

Top South Korean, U.S. and Japanese military officers are urging North Korea to cease all unlawful activities that threaten regional security, as the three nations fly advanced warplanes for a joint exercise in a show of force against the North.

Former President Yoon Suk Yeol, already ​accused of insurrection, faced additional ​criminal charges after a special counsel expanded the investigation into his ill-fated declaration of martial law.

The U.S. wants South Korea to join efforts to counter China's growth in shipbuilding via potential cooperation in the sector, a senior official from Seoul's trade ministry said on Friday.

Washington has said the treatment of Glavprodukt, the only U.S. company Moscow has seized, will influence a planned reset of U.S.-Russia relations.

The country’s new president, in office for a little over a month, had just dispatched his senior deputies to Washington to try to work out a trade deal.

The 51st Fighter Wing said the upgraded F-16s will bring "unparalleled multi-role versatility and superior operational range" to U.S. forces in South Korea.

Former South Korean President Yoon Suk Yeol was back in a solitary jail cell on Thursday with basic food and a khaki prison uniform after prosecutors secured a new detention warrant over his bid to impose martial law last year.