President Donald Trump said Russian President Vladimir Putin told him in a phone call on Wednesday that Putin will retaliate against Ukraine for its coordinated drone attack on Russian war planes.

President Donald Trump said he spoke to Russian President Putin on Wednesday, describing their call as "good" but "not a conversation that will lead to immediate Peace."

The Security Service of Ukraine (SBU) on Tuesday claimed to have conducted a new attack on Russia's Kerch Strait Bridge.

The Security Service of Ukraine on Tuesday claimed to have conducted a new attack on Russia's Kerch Strait Bridge.

Ukraine’s “Operation Spiderweb,” kept secret for well over a year, was highly coordinated as the Ukrainians managed to smuggle in an army of explosive-laden drones across Russia.

Senators are escalating calls for a severe Russia sanctions bill to advance.

Ukrainian and Russian delegations met again in Istanbul on Monday to take part in the next round of U.S.-brokered peace talks.

ABC News’ Marcus Moore and former Deputy Assistant Secretary of Defense for the Middle East Mick Mulroy discuss the latest round of U.S.-brokered peace talks.

Footage captured in real-time shows Ukraine’s surprise coordinated drone attack on some of Russia’s key airfields.

The Security Service of Ukraine conducted a large-scale operation targeting four Russian military airfields on Sunday, an SBU source confirmed.

The U.K. will build new nuclear-powered attack submarines and create an army ready to fight a war in Europe as part of a boost to military spending

Delegations from Russia and Ukraine are gathered in Turkey for their second round of direct peace talks in just over two weeks, although expectations were low for any significant progress on ending the 3-year-old war

The attack, which took more than a year to execute and was personally supervised by Ukrainian President Zelenskyy, allegedly destroyed more than 40 Russian planes.

Leaders from Russia and Ukraine could return to the table for a seconds round of peace talks.

A passenger train has derailed in western Russia after a bridge collapsed because of what local officials described as “illegal interference.”

The Ukrainian Air Force said Saturday morning that Russia had carried out 114 aerial attacks on Ukraine overnight with drones and missiles.

At least 10 people were killed and 33 others were injured across Ukraine as a result of Russia's attacks, according to regional and local authorities.

U.S. special envoy for Ukraine and Russia Keith Kellogg discusses the ongoing cease-fire negotiations between Ukraine and Russia.

Trump previously said his personal relationship with Putin would usher in peace for Ukraine. Now, he says Putin's gone "absolutely CRAZY!"

While taking questions in the Oval Office, President Donald Trump was asked if he believed Russians are being disrespectful and if he believed that Vladimir Putin actually wants to end the war.

Moscow's Sheremetyevo International Airport warned travelers of delays due to flight restrictions imposed during the latest drone attack.

Germany's Federal Prosecutor’s Office says three men have been charged with working for one of Russia’s intelligence agencies in a “particularly serious case.”

Ukrainian President Volodymyr Zelenskyy said that Russian forces "used the largest number of drones against our cities and communities since the beginning of the full-scale war."

President Volodymyr Zelenskyy again appealed to the U.S. to apply more pressure on Russian President Vladimir Putin in pursuit of peace talks to end Moscow's war.

President Volodymyr Zelenskyy again appealed to the U.S. to apply more pressure on Russian President Vladimir Putin in pursuit of peace talks to end Moscow's war.

Russia launched 900 drones in just three days, killing dozens of Ukrainians and injuring more than 100 people.

Russia and Ukraine continued long-range cross-border drone attacks on Sunday night into Monday morning.

President Zelenskyy denounces what he calls U.S. silence as Russia launches a large-scale assault on Ukraine with drones and missiles.

Russian drones and missiles again bombarded cities across Ukraine on Saturday night into Sunday morning despite the completion of a major prisoner exchange.

Ukraine's air force said that Russia launched a total of 367 "air attack vehicles" at targets across the country.

ABC News foreign correspondent Marcus Moore delivers the World View round up, including developments in the Russia-Ukraine war, Iran nuclear deal negotiations and the humanitarian crisis in Gaza.

Russia launched a large drone and missile attack on Kyiv early Saturday, injuring six and damaging buildings across the city as the next stage of a prisoner swap begins.

Ukraine’s capital has came under a large-scale combined drone and missile attack, with explosions and machine gun fire heard throughout the city

Up to a thousand Ukrainians and a thousand Russians are expected to be swapped and reunited with their loved ones.

Russia and Ukraine conducted the largest prisoner of war exchange of the war to date on Wednesday, with around 1,000 soldiers from each side swapped.

Russian President Vladimir Putin said a buffer zone would be established along the Ukrainian border as Russia launched a "large-scale" aerial attack on Ukraine overnight.

Russian President Vladimir Putin has visited the Kursk region for the first time since Russia said it expelled Ukrainian forces from the area in April

Russia launched more than 100 drones into Ukraine following the conclusion of a phone call between Presidents Donald Trump and Vladimir Putin.

Russia launched more than 100 drones into Ukraine following the conclusion of a phone call between Presidents Donald Trump and Vladimir Putin.

Donald Trump promised voters he'd end the Russia-Ukraine war on Day 1 thanks, in part, to his relationship with Putin. But months into his term, peace remains elusive.

Russia launched more than 100 drones into Ukraine overnight, following the conclusion of Monday's phone call between President Donald Trump's conversation with Vladimir Putin.

President Donald Trump held a high-stakes call with Russian President Vladimir Putin on Monday over the war in Ukraine.

President Donald Trump held a high-stakes phone call with Russian President Vladimir Putin on Monday as he continued his push for an end to Moscow's 3-year-old invasion of Ukraine.

ABC News’ Karen Travers and Tom Soufi Burridge report on the call, which comes as the White House continues its push for an end to Moscow's 3-year-old invasion of Ukraine.

President Donald Trump is expected to speak with Russian President Vladimir Putin as the U.S. continues its push for an end to Russia's invasion of Ukraine after last week's peace talks in Turkey.

President Donald Trump will call Russian President Vladimir Putin and Ukrainian President Volodymyr Zelenskyy on Monday -- days after Russia launched its largest drone attack yet.

Trump's top negotiator predicted the president's call with Putin on Monday "will go a long way towards identifying where we are and how we complete this negotiation."

A Russian drone hit a civilian minibus in Bilopillia, northeastern Ukraine early Saturday morning local time, killing nine people and injuring four others.

At least nine people were reported killed in Ukraine by a Russian drone strike just hours after the two countries held their first face-to-face talks in more than three years.

Ukrainian and Russian delegates met face-to-face in Turkey to discuss a potential ceasefire, agreeing on a prisoner swap but not reaching a major breakthrough.