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Football legend Cristiano Ronaldo announced on social media Monday his baby son has died.

The US believes that Russia is learning from its failures in the north of Ukraine, where they did not have the proper capabilities to sustain military operations, and applying those lessons to their new focus in the east and the south of the country, according to a senior US defense official.

Ukrainian President Zelensky's Chief of Staff Andriy Yermak speaks with CNN's Jake Tapper about his background as a lawyer and fighting a war on the world stage.

Russian actor and model Jean-Michel Shcherbak shares the heartbreaking message he received from his mother, denouncing him as her son for not supporting Russia's invasion of Ukraine.

Donald Trump is an attention addict.

The only escape out of Izium, a Russian-occupied city in Ukraine, is to make it to Russia. This family recounts their journey, first fleeing to Russia and then being smuggled into Poland to reach safety. CNN's Salma Abdelaziz reports.

Ukraine's military took a defiant stand this weekend -- refusing to give in to Russia's demand for Kyiv's troops in the port city of Mariupol to surrender — at the same time that President Joe Biden and his allies face a new precipice in deciding how far the US can go in arming the embattled country, as Russia signals that it may take more aggressive action to stop the flow of weapons from the US and NATO.

Nearly 400,000 million people across 45 cities in China are under full or partial lockdown as part of China's strict zero-Covid policy. Together they represent 40%, or $7.2 trillion, of annual gross domestic product for the world's second-largest economy, according to data from Nomura Holdings.

Shanghai reported three Covid-19 deaths Monday, the first officially announced fatalities from a raging Omicron outbreak that has infected hundreds of thousands of people despite a government-enforced city-wide lockdown.

CNN's Paula Reid talks to longtime Putin critic and former chess champion Garry Kasparov about concerns around potential escalations in Ukraine, including the potential for Russia to use nuclear options.

Before Russia's war on Ukraine began, Kira Obedinsky was a joyful, loved 12-year-old girl. Now orphaned, injured and alone in a Russian-controlled hospital in eastern Ukraine, she has become an unwitting pawn in Moscow's information war.

Two young people were fatally shot and at least nine others were injured by gunfire overnight in Pittsburgh's East Allegheny neighborhood, officials said early Sunday morning.

Tunisia will work with other countries that have offered to help it to prevent environmental damage after a merchant ship carrying up to 1,000 tons of oil sank in Tunisian waters, the defense ministry said on Sunday.

Bill Browder, a former top investor in Russia before Putin turned on him, says that Putin's invasion of Ukraine is driven by his need to survive.

Ukrainian President Volodymyr Zelensky discussed a horrific video of a Ukrainian mother mourning after finding her dead son in a well.

The images of the wrecked Antonov AN-225 are now an indelible memory for aviation enthusiasts worldwide.

North Korea fired two projectiles into waters off the east of the Korean Peninsula Saturday evening, according to the South Korean military, the country's 12th such weapon test this year.

Twelve people were injured and three people have been detained following a shooting at a Columbia, South Carolina, mall on Saturday afternoon, police said.

Young Americans have turned on Joe Biden.

It's Macron vs. Le Pen, round two.

When President Joe Biden labeled Russia's actions in Ukraine "genocide" this week, the response by his team looked much different than when he declared, also unplanned, that Vladimir Putin shouldn't be in power.

Ukrainian President Volodymyr Zelensky told CNN Friday that "all of the countries of the world" should be prepared for the possibility that Russian President Vladimir Putin could use tactical nuclear weapons in his war on Ukraine.

CNN's Ed Lavandera spoke with one woman who took it upon herself to help her neighbors as they hid from brutal bombardment.

Benjamin Ferencz was just 27 when he successfully prosecuted 22 defendants for war crimes. Now he tells Amanpour it pains him to once again see atrocities in Europe.

In the weeks between the 2020 election and the January 6 attack on the US Capitol, almost 100 text messages from two staunch GOP allies of then-President Donald Trump reveal an aggressive attempt to lobby, encourage and eventually warn the White House over its efforts to overturn the election, according to messages obtained by the House select committee and reviewed by CNN.

Indiscriminate killings of civilians attempting to flee the violence. Victims found with their hands tied behind their backs. An attack on a maternity hospital, a theater turned shelter bombed. The list of atrocities and apparent war crimes allegedly committed by Russian troops in Ukraine gets longer by the day.

China has begun sending its most advanced fighter aircraft, the J-20, to patrol the East and South China Seas, Chinese state media has reported.

Secretary of State Antony Blinken told European allies that the United States believes the Russian war in Ukraine could last through the end of 2022, two European officials told CNN, as US and European officials have increasingly assessed that there is no short-term end in sight to the conflict.

Across China, cities are locking down their residents, supply lines are rupturing, and officials are scrambling to secure the movement of basic goods -- as its largest ever recorded outbreak of Covid-19 threatens to spiral into a national crisis of the government's own making.