Air raid sirens sounded across Kyiv on Wednesday as Ukraine's capital prepared for a possible Russian airstrike that did not come. The U.S. Embassy in Kyiv had already announced it was closing temporarily Wednesday because of a "potential significant air...

Ukraine fired eight American-made ATACMS missiles into Russia, U.S. officials said, days after President Biden approved their use deeper inside Russian territory. U.S. officials believe Russia may have shot down two of the missiles. Meanwhile, Vladimir Pu...

John Sullivan, a former U.S. ambassador to Russia under the Biden and Trump administrations, speaks with "CBS Mornings" about the potential impact of the use of U.S. ATACMS missiles by Ukraine, Russia's new nuclear plan and the latest in the ongoing war.

Ukraine struck Russia with U.S.-supplied long-range missiles known as ATACMS, prompting Russian President Vladimir Putin to respond with a nuclear threat. Holly Williams has the latest.

The alleged developments marked a worrying new escalation in the conflict that has repeatedly ratcheted up international tensions.

The foreign ministries of Finland and Germany said that the damage raised suspicion of sabotage.

After 1,000 days of death and destruction with no end in sight, consensus is growing that the war will end through peace talks, but what that looks like remains to be seen.

President Biden lifted the restriction that will allow Ukraine to use U.S.-suplied missiles with a range of 190 miles against Russia. Also, new controversy over President-elect Trump's Cabinet picks. All that and all that matters in today's Eye Opener.

The Kremlin warned that President Biden is adding

In a shift in policy, President Biden authorized Ukraine's use of American-made long-range weapons inside of Russia. Ukraine has been requesting the missiles since the start of the war, but the U.S. has refused until now. On Sunday, Russia launched one of...

The death is being investigated by federal authorities but "the preliminary cause" has been ruled an accident.

Former U.S. Ambassador to Russia John Sullivan, who served under the Biden and Trump administrations, joins "CBS Mornings" to discuss the impact and timing of President Biden's approval of Ukraine using U.S.-made long-range weapons in Russia.

Ukraine suffered what it said was the largest missile and drone attack from Russia since the summer. Chris Livesay has more.

Ukraine plans to conduct its first long-range attacks in the coming days, sources said, without revealing details due to operational security concerns.

Air defenses could be heard engaging drones over Kyiv in the night, and a series of powerful blasts rang out across the city as the missile attack was under way in the morning.