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California has some of the strictest gun laws in the country, according to advocacy groups. And still the state has been rocked by three mass shootings in 44 hours.

Among the victims of a mass shooting at a dance studio in Monterey Park, California, on Saturday were a loving father, and a woman whose family called her one of their biggest cheerleaders.

A wave of extreme cold has spread through northeast Asia, with parts of Japan and South Korea seeing heavy snow and record-breaking subzero temperatures during the Lunar New Year holiday. CNN's Paula Hancocks has more.

• FBI search of Biden's Delaware home resulted from high-stakes discussions between the DOJ and Biden attorneys • Opinion: We're seeing the first major blow to Biden's 'regular Joe' image

Germany confirmed it will send a long-demanded contingent of Leopard 2 tanks to Ukraine in a major sign of support for Kyiv that will be matched by the United States.

Cybercriminals hacked employees of at least two US federal civilian agencies last year as part of a "widespread" fraud campaign that sought to steal money from individuals' bank accounts, US cybersecurity officials revealed Wednesday.

• Winter storm cancels hundreds of US flights • Massive, multi-day storm threat is expected to persist today in southern states • EPA plans to stop 6 power plants from dumping toxic coal ash into unlined ponds

Drone footage from Antarctica shows the massive scale of an ice shelf that just broke off from Antarctica.

A sled team in Brule, Wisconsin is preparing for one of their biggest races of the year; joining them, is their all-star sled dog "Wildfire" that has been on the road to recovery after a tragic snowmobile accident last winter. CNN's affiliate KBJR reports.

At first, Brandon Tsay froze when a gunman aimed a firearm at him, he said. He was sure those would be his last moments.

Abby Zwerner, the teacher who was allegedly shot by a 6-year-old at an elementary school in Newport News, Virginia, warned school administrators the day of the shooting that the child had a gun, according to her lawyer.

President Joe Biden, who has struggled for weeks to contain the fallout surrounding the discovery of classified documents at his home and former office, must have sighed with relief when former Vice President Mike Pence announced classified documents were also found at his home in Indiana.

The roughly 12 classified documents found at the Indiana home of former Vice President Mike Pence included materials described as background briefing memos that were prepared for Pence's foreign trips, multiple sources told CNN.

The United States and Germany announced they are sending Abrams and Leopard 2 tanks to Ukraine. CNN's John King speaks with Retired Lt. Gen. Mark Hertling on when the tanks will be ready for use.

It's been a problem for the ages but Cameroonian soccer great Samuel Eto'o appears determined to stamp it out.

• Back-to-back shootings in California, Iowa and Washington leave communities grieving • Analysis: US political system is so entrenched on guns, it can't frame a meaningful response • Most attackers suffer major life challenge in year before mass violence, study finds

• Video: How the Facebook decision caught Trump's team by surprise • FBI search of Biden's Delaware home resulted from high-stakes discussions between the DOJ and Biden attorneys • Opinion: Pence delivered Biden a lifeline, but it's not without limits

Drew Barrymore interviewed Allison Williams while cosplaying as the killer doll from the horror movie "M3GAN."

Lance Kerwin, an actor best known for his role on the TV miniseries "Salem's Lot" and other notable series throughout the '70s, has died, his talent agent John Boitano tells CNN. He was 62.

Analysis of fossils found in the far north of Canada has revealed that two previously unknown species of ancient near-primates lived above the Arctic Circle some 52 million years ago, according to new research.