Ukrainians faced fresh Russian drone and missile strikes on energy infrastructure nationwide on Tuesday night into Christmas Day morning.

Ukrainian President Volodymyr Zelenskyy said more than 3,000 North Korean soldiers have been killed or wounded fighting for Moscow in Russia's western Kursk region.

Two Russian airports were put under flight restrictions early Saturday after authorities alleged an attack by Ukrainian drones, according to state-run news agencies.

A Russian missile strike killed one person and wounded seven others early on Friday morning, Ukraine's Ministry of Defense said.

North Korea may dispatch more troops to Russia despite casualties, South Korea’s National Intelligence told lawmakers during a briefing Thursday.

A senior Russian general was killed in a bomb blast in a residential neighborhood in Moscow, Russian media reported early Tuesday.

Ukraine's intelligence services released new information Tuesday about the conduct of North Korean troops now fighting alongside Russian forces in the Kursk region.

Dashcam video shows the moment a bomb hidden on scooter detonated, killing Lt. Gen. Igor Kirillov and his aide. Ukraine called Kirillov a war criminal, while Russia called the attack terrorism.

A senior Russian general was killed in a bomb blast in a residential neighborhood in Moscow, Russian media reported early Tuesday.

Lt. Gen. Igor Kirillov, the head of Russia's radiation, chemical and biological protection troops, was killed by a hidden explosive in what Ukrainian sources told ABC News was an intelligence operation.

ABC News’ Ian Pannell and ABC News contributor Mick Mulroy discuss the death of Lt. Gen. Igor Kirillov, a senior Russian general who was killed in a bomb blast in a residential neighborhood in Moscow.

The Ukrainian Defense Ministry's Main Directorate of Intelligence said on Monday that at least 30 North Korean soldiers were killed and wounded in weekend battles.

A Ukrainian drone has struck a campus belonging to Russia’s National Guard in the Russian region of Chechnya, as Kyiv continues to strike back after a mass air attack from Moscow

Russia launched a massive aerial attack against Ukraine, firing 93 cruise and ballistic missiles and almost 200 drones, Ukrainian President Volodymyr Zelenskyy said. ABC News’ Marcus Moore reports.

Russia has launched a massive aerial attack against Ukraine

Nobel Laureate Oleksandra Matviichuk discusses her work exposing underreported stories of the war in Ukraine and Russian's aggression.

The Pentagon says Russia could launch its lethal new intermediate-range ballistic missile against Ukraine again soon

Nobel Laureate Oleksandra Matviichuk on her work exposing hidden and underreported stories of the war in Ukraine.

Lloyd Austin announced the Pentagon will send nearly $1 billion to Ukraine, bringing the total the United States has committed to Ukraine to more than $62 billion.

Ukrainian President Volodymyr Zelenskyy announced sanctions on 19 members of the Georgian government, who he accused of "surrendering" the country to Russian control.

Belarusian President Alexander Lukashenko thus far appears to have kept his nation out of the worst of the spiraling war engulfing his neighbors to the east and south.

Kremlin spokesperson Dmitry Peskov told the Izvestia newspaper in an interview published Wednesday that Russia sees "no grounds for negotiations yet" to end Moscow's war.

The $725 million in military assistance, will include counter-drone systems and munitions for its High Mobility Artillery Rocket System.

Ukraine's air force said it shot down 22 of 28 Russian drones in Moscow's overnight barrage, though acknowledged "several hits on critical infrastructure facilities."

Ukraine's air force said it recorded 110 Russian attack drones launched into the country overnight into Sunday morning.

ABC News’ Jonathan Karl interviews White House National Security Adviser Jake Sullivan on “This Week.”

National Security Adviser Jake Sullivan said President Joe Biden is looking to make as much progress as possible on foreign policy before he leaves office next month.

Ukrainian President Volodymyr Zelenskyy Sunday that a week of "Russian aerial terror" saw Moscow launch around 500 bombs, 660 drones and 120 missiles into Ukraine.

Russia has carried out a massive aerial attack on Ukraine’s energy system leaving hundreds of thousands without power as winter sets in across the country.

All regions of Ukraine were under air raid alerts early Thursday amid Russia's latest long-range drone and missile barrage against the country's energy grid.

All regions of Ukraine were under air raid alerts early Thursday amid Russia's latest long-range drone and missile barrage against the country's energy grid.

Ukrainian drones attacked Crimea overnight into Wednesday, the Russian Defense Ministry said, during another night of UAV exchanges between the two warring nations.

Russia launched a record-high 188 strike drones into Ukraine on Monday night and Tuesday morning, expanding its long-range campaign against Ukrainian infrastructure.

Ukrainian authorities said at least 25 people were injured and 41 buildings damaged by a Russian missile strike in the northeastern city of Kharkiv.

Ukraine's air force said that at least 73 Russian attack drones entered the country's airspace on Saturday night into Sunday.

The school has become a central part of the lives of some who fled the war, even if they didn't initially intend it to become so.

Russian President Vladimir Putin on Friday told the Ministry of Defense leadership that his country "will continue testing the latest system," which is apparently capable of carrying a nuclear weapon.

House Foreign Affairs Committee Member Rep. Gregory Meeks, D-N.Y., joined ABC News Live to discuss what a second Trump term may mean for the war in Ukraine.

Rep. Adam Smith, D-Wash., ranking member of the House Armed Services Committee, discusses the conflicts overseas.

ABC News’ Ian Pannell reports on the fallout after Russia’s launch of a new hypersonic ballistic missile against Ukraine.

Ukraine this week launched U.S.-made missiles at targets inside Russia.

Former Deputy Secretary of Defense for the Middle East Mick Mulroy says Russia’s latest strike into Ukraine is “something we have never seen before.”

ABC News’ Ian Pannell shares the latest developments on the war in Ukraine.

Ukrainian forces launched a barrage of British-made long-range cruise missiles into Russia, according to multiple reports, as both sides battle to hold territory ahead of President-elect Trump's term.

The U.S. Embassy in Kyiv has resumed services after closing early Wednesday, but the threat of retaliatory Russian strikes remains.

Retired Army colonel and Global Guardian CEO Dale Buckner is hopeful that a diplomatic solution can be reached next year.

Eight ATACMS missiles were fired at an ammunition depot across the Russian border after President Joe Biden authorized their use against Russia earlier this week.

The U.S. Embassy in Kyiv temporarily closed its doors on Wednesday out of "an abundance of caution."

Ukrainian forces fired American-supplied ATACMS missiles into Russia for the first time, officials said. Russian President Vladimir Putin respond by lowering the threshold for using nuclear weapons.

Russian President Vladimir Putin appeared to threaten to use nuclear weapons if Ukraine fired American-made missiles into Russia.