Boy, 12, brain dead after trying 'Blackout Challenge' on TikTok

"I can’t even describe the grief and devastation," a family friend reportedly said. "Nobody could ever imagine this would happen to a 12-year-old."

Boulder shooter was allegedly 'chuckling' to himself as he murdered ten people: report

Ahmad Al Aliwi Alissa, 21, allegedly laughed and chuckled to himself as he went on a rampage through a King Soopers grocery store in Boulder, Colo., this week, killing 10 people. 

Boulder gunman's sister-in-law upset he was 'playing' with gun, took it away two days before rampage, cops say

A family member of the Boulder, Colorado, shooting suspect told police she saw him "playing" with a gun that looked like a "machine gun" and took it away from him two days before the deadly rampage. 

Eric Talley, officer killed in King Soopers shooting, honored with procession through Boulder

Officer Eric Talley, 51, was honored Monday night with a procession through Boulder, Colorado, just hours after he was killed while responding to a mass shooting at a King Soopers supermarket.

Boulder King Soopers shooting: 10 killed including police officer

One police officer was killed and "multiple" other victims were killed in a shooting at a King Soopers grocery store in Boulder, Colorado Monday. Police said a suspect has been detained.

Massive Colorado snowstorm slams drought-stricken region, canceling 2,000 flights

A massive snowstorm is bringing some much-needed relief to Colorado, as some parts of the state are suffering severe drought. Some areas have already gotten 9 inches of snow - and others could see up to two feet by Monday morning.

LISTEN: United pilot called 'mayday, mayday' amid engine failure after Denver takeoff

The pilot of a United Airlines commercial jet called "mayday, mayday" as the aircraft experienced engine failure shortly after takeoff from Denver International Airport on Saturday, according to new audio.

Plane debris falls from sky onto Colo. neighborhood during emergency landing

A United Airlines plane experiencing a right-engine failure shortly after takeoff dropped debris over a Colorado neighborhood Saturday afternoon before turning around and making an emergency landing back at the airport.

Colorado on standby as possible fill-in for USC in Pac-12 title game

At the moment, Karl Dorrell and the Colorado Buffaloes remain on standby mode just in case they’re summoned to Los Angeles as a fill-in for the Pac-12 title game Friday.

‘Drools’ the dog finds loving home after spending 729 days in shelter

After spending more than 700 days in a Colorado animal shelter, “Drools” the 4-year-old pit bull-boxer mix has finally found a forever home.

Colorado man wins lottery, misses deadline to turn in ticket by 3 days: report

A Colorado man who played the lottery this spring -- and won -- managed to lose all of his potential winnings after he failed to turn in his ticket in time, according to a report.

Drought, warmer temperatures allow Colorado wildfires to drag on

Colorado broke the record for its largest wildfires on record twice this season, with the top fire burning over 203,520 acres.

Security guard identified, jailed in deadly shooting at Denver protests

Police in Denver say a private security guard working for a local TV station was jailed for investigation of first-degree murder in the deadly shooting of another man during dueling right- and left-wing protests.

Suspect in deadly shooting at Denver protest was a security guard and police say he was not Antifa

The man accused of killing a protester during a "patriot rally" in Denver on Saturday was a private security guard working for a TV station. Police tweeted that the suspect has no affiliation with Antifa, as had been widely speculated on social media.

Central Florida newlyweds killed in Colorado plane crash

A Volusia County couple on their honeymoon were killed in a plane while returning to Florida from Colorado.

Denver just experienced the earliest freeze on record

The temperature in Denver dropped so steep so quickly the city recorded the earliest freeze on record going back nearly 150 years, according to a report.