Current and former European and U.S. officials have raised concerns about some of President Donald Trump’s picks for top intelligence posts.

The partnership, according to officials who spoke to ABC News, has been essential to Ukraine defending itself as Russia invaded almost three years ago.

South Korea's intelligence agency estimates that approximately 300 North Korean soldiers have been killed and another 2,700 injured while fighting alongside Russian forces against Ukraine. This marks North Korea's first participation in a large-scale conflict since the 1950-53 Korean War.

With new reports of North Korean troops captured as POWs in Ukraine, as resident Zelensky puts it, there is now "irrefutable evidence" that North Korea has been involved in Russia's war against Ukrain

The soldiers of the Korean People's Army captured from the front lines of the war in Ukraine appeared unwilling to defect from North Korea.

North Korean troops, unacknowledged by their own country, are getting chewed up in a vicious war in which, far from home, they are “cannon fodder” fighting anonymously on behalf of the Russians.

Ukrainian forces fighting in Russia's Kursk Oblast captured two North Korean soldiers, President Volodymyr Zelensky announced on Jan. 11, "irrefutable evidence" of Pyongyang's involvement in Moscow's full-scale invasion.

Ukrainian President Volodymyr Zelenskyy predicted that his nation's forces would "undoubtedly" capture more North Korean troops.

Separately, Ukraine revealed more details about the first two North Korean soldiers it has captured alive and said it was willing to exchange them for Ukrainians held in Russia.

A Ukrainian mopping-up group encountered one surviving North Korean fighter who had set an unsuccessful trap. The soldier attempted to mislead the Ukrainian soldiers and then detonated a grenade to avoid capture,

Ukrainian President Volodymyr Zelenskyy said he’s willing to hand over the soldiers to North Korea, if Kim Jong Un arranges for an exchange with Ukrainian prisoners of war in Russia.

Half a century ago, KGB agent Gerontiy Lazovik recruited an ASIO spy to sell state secrets to the Soviet Union. But this former spymaster's plans for an easy retirement now lay in tatters.