'I have no pity for them': Russian describes fighting against his own country

Russia's mass mobilization, looming offensive and missile-borne terror against civilians is triggering fresh calls for even greater Western lethal aid to Ukraine, days after leaders signed off on their latest package that included the first tanks.

Russia is gearing up for a "maximum escalation" of the war in Ukraine, potentially as soon as the next few weeks, according to a top Ukrainian national security official.

Konstantin Yefremov, a Russian soldier who fled Russia after he was dismissed from the army for refusing to return to Ukraine, speaks with CNN's Erin Burnett about the "dire" conditions he experienced while fighting.

While the world's attention has been focused on the city of Bakhmut as the vortex of the conflict in Ukraine, fighting between Russian and Ukrainian forces has been as relentless elsewhere.

Russia is bringing its war against Ukraine closer to the industrial cities of Donetsk with a series of missile strikes against densely populated areas.

As the US and its Canadian partners continue to monitor a suspected Chinese surveillance balloon floating above the northern United States, one question stands out among the rest: Why hasn't it been shot down?

CNN's Oren Liebermann reports.

Several months after President Joe Biden promised Saudi Arabia would suffer "consequences" after the Saudi-led OPEC+ oil cartel unexpectedly announced it would cut production, the Biden administration has no plans to take proactive steps to punish -- let alone significantly reorient its posture toward -- the oil-rich Middle East kingdom, multiple sources on Capitol Hill and in the administration tell CNN.

Frida Ghitis writes that in the continuing drama surrounding Republican Rep. George Santos of New York, there's one particularly disturbing aspect that points to a dangerous weakness in American democracy: Who paid for Santos' election camapign?

The CNN Film "American Pain" follows Chris and Jeff George, identical twins who trafficked more than $500 million in opioid pills in the US. It premieres on CNN Sunday, February 5, at 9 p.m. ET.

As a suspected Chinese surveillance balloon continues to float over the US, CNN's Alex Marquardt explains the possible origin of the balloon, what it's equipped with, and its suspected path.

Tensions in the West Bank are high as violence between the Israeli military and Palestinians has ramped up in recent weeks. Last week, Israeli forces killed ten Palestinians and wounded several others in a raid on a refugee camp in the city of Jenin. CNN's Nic Robertson visits the scene of the raid and meets some of those whose homes were caught in the crossfire.

Donald Trump is raising the nightmare scenario for Republicans in the 2024 presidential election -- that he might refuse to endorse the party's nominee if he loses his primary race.

Rep. Jim Jordan, one of the GOP's most vocal partisans and now the chair of the powerful Judiciary Committee, started a recent meeting on the "weaponization" of the federal government with a surprising move: He urged caution.

CNN's Sam Kiley reports.

The US Navy assisted the French military in seizing thousands of assault rifles and half a million rounds of ammunition that were heading to Yemen from Iran in January, the US military confirmed on Wednesday.

Ukrainian authorities have conducted a series of anti-corruption raids across the country, uncovering stashes of cash as well as luxury watches and cars.

Washington is on the type of dramatic collision course on which some politicians thrive. President Joe Biden has the power to end this debate and move on, according to one line of thinking. Why is he unwilling to try it?

Allowing athletes from Russia and Belarus to compete at the Paris Olympics could lead to a large-scale boycott and render the Games "pointless," Poland's sports minister said on Thursday.

Rep. Dusty Johnson (R-SD) joins CNN's Jim Sciutto to discuss the fight to raise the national debt limit as the White House and the new House GOP majority are at odds over how to resolve the critical issue.