The Pentagon said it has not given Ukraine information to help it locate and kill Russian military leaders.
Recent reports suggest Russian President Vladimir Putin may soon officially declare war on Ukraine. Experts say the move could grant him unprecedented powers.
The apology comes after the Russian foreign minister suggested this week that Adolf Hitler was part Jewish.
Ukraine's former president called for international support of the Republican congressman's resolution.
Ukrainian journalist Andriy Tsaplienko posted on Facebook a burnt out T-90M.
Zelensky praised "hero" journalist-turned-soldier Oleksandr Makhov for being "patriotic and sincere" and "always among the bravest."
Ukraine's military staff said Russia has moved dozens of helicopters along the border.
Israeli officials reportedly discussed sending more defensive supplies to Ukraine's military.
A Kremlin-backed news outlet said "signs" of black magic were found at a Ukrainian artillery headquarters.
The Russian president has threatened retaliation if NATO crosses "red lines" in Ukraine. Some experts say those lines have already been crossed.
Russian state media pointed to tweets from Rep. Jason Crow as "confirmation that the United States is at war in Ukraine."
A video released by the Russian Defense Ministry shows three missiles launched from the ground.
Britain has been one of Ukraine's closest allies during the war, supplying it with huge tranches of weapons and millions of pounds worth of military aid.
James Vasquez, a former U.S. Army staff sergeant, left his home in Connecticut in March to volunteer for Ukraine's International Legion of Territorial Defense.
A Russian government official says Ukrainian President Volodymyr Zelensky doesn't want a peace deal because it would end badly for him.
The number of Russian soldiers' deaths is so high that the movement of body bags off the battlefield is taking place under a veil of secrecy and at night.
Russia's Foreign Ministry responded to Israeli statements condemning Lavrov for comparing Ukrainian President Zelensky, who is Jewish, to Adolf Hitler.
Ukrainian authorities reacted with outrage to a missile strike on a dorm in the port city of Odesa, which has come under attack by Russian forces.
White House press secretary Jen Psaki said that Russia itself has made several comments that a nuclear war could not be won.
Maj. Gen. Andrei Simonov was killed on Saturday near the city of Izyum of the northeastern region of Kharkiv, according to Ukrainian authorities.
The video shows a long line of carrier vehicles and agricultural equipment, including tractors and spare tires that are reportedly being taken to Chechnya.
Russia's foreign minister said Putin won't try to end the war prematurely just to coincide with Russia's upcoming commemoration of the end of World War II.
"It is an unforgivable, scandalous statement, a terrible historical mistake, and we expect an apology," Israeli Foreign Minister Yair Lapid said.
"The fact that Zelensky is Jewish does not negate the Nazi elements in Ukraine," the Russian foreign minister said.
President Volodymyr Zelensky praised the U.S. for helping to "protect the sovereignty and territorial integrity" of Ukraine.
Europeans—and even some Americans—are fearful that Russian President Vladimir Putin could soon target other nations with deadly weapons.
Since Russia's invasion began, Ukrainian officials have accused Moscow of forcibly kidnapping its people.
Although Russia has insisted its military has not targeted civilians, the alleged atrocities have drawn international condemnation.