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A machete-wielding man was shot and killed by police after entering the Champions Center sports facility at the University of Colorado at Boulder campus ... officials confirm.

The situation began around 9:15 AM -- witnesses say two men were involved in an altercation in the parking lot ... with one of the men pulling out a machete.

At one point, the suspect went inside the sports center.

Cops say they confronted the suspect and ordered him to put down his weapon -- but he did not comply ... so police opened fire, killing the man.

People inside the complex -- which houses the football locker room, a weight room and more -- reportedly locked themselves inside various rooms and offices for safety.

8:59 AM PT -- The Broward County Coroner has now confirmed Samman passed away at 7:20 AM on Wednesday.

As for cause of death, the coroner told us, "It would be hard to suggest anything other than drugs" based on the conditions in which Samman and Kirkingburg were found.

An autopsy is scheduled -- but there could be delays due to the hurricane in the region.

UFC middleweight Josh Samman -- who appeared on "The Ultimate Fighter" -- has died after spending several days in a coma ... this according to his 'Ultimate Fighter' castmate Gilbert Jamal Smith.

Samman was found unresponsive early Friday morning at an apartment in South Florida. His roommate, Troy Kirkingburg -- an MMA announcer -- was pronounced dead at the scene.

It's unclear how the two men died.

There were rumblings that heroin played a role -- but Samman's mother came out and said doctors found no traces of the drug in his system. There were also no signs of foul play according to reports.

Samman was 28.

Kid Cudi has checked himself into rehab for depression and suicidal thoughts.

The rapper entered Monday, saying he hasn't felt at peace for years and made the decision to get help for himself, his family, his best friend/daughter and his fans. Cudi continues, "I would've done something to myself. I simply am a damaged human swimming in a pool of emotions everyday of my life."

Cudi says his upcoming music will still be released as planned and he wanted to finish up all business before starting to focus on his recovery.

You'll remember ... Cudi lashed out at mentor Kanye West and Drake last month for not working with him and using others to write songs. 'Ye responded to the rapper at a recent show, telling him to "Respect the God!"

It's interesting -- it was announced in early September Cudi was to be replaced by Romeo on "Empire" -- but it's unclear if his depression played a part in that decision. We spoke with Romeo at LAX who said the move was strictly business and there were no hard feelings between the two.

KC finished his announcement with, "I really am sorry. Ill be back, stronger, better. Reborn. I feel like s***, I feel so ashamed. Im sorry."

The Dallas PD has solved the mysterious Aqib Talib shooting -- determining the NFL star shot himself during an incident back in June ... this according to a local news report.

As we previously reported, Talib was shot in the leg on June 5th -- and told police he was hit while standing in a park.

However, Talib was at V Live strip club earlier in the evening where a gunfight broke out -- and there were reports he shot himself during that incident.

Now, WFAA TV's Rebecca Lopez is citing sources who say "Dallas PD has completed the Aqib Talib case. They've determined the Broncos cornerback was not shot by someone but shot himself."

If it's determined he lied to police, Talib could be charged with a crime.

We reached out to the Dallas PD for comment -- and public information officer Tramese Andrews told us, "I have not been made aware of any new information regarding that incident and cannot confirm any information regarding your request."

Who's your favorite basketball team ... and how do you feel about group sex?

Those were questions potential jurors in the Derrick Rose rape case were asked Tuesday -- as lawyers on both sides gear up for the $21 million trial.

Questionnaires were handed out to the jury pool in the L.A. courtroom -- in an effort to flush out any possible hidden biases.

Rose and his friends are accused of gang raping a woman in her L.A. apartment back in 2013 -- though the NBA superstar claims the group sex was consensual.

But it wasn't a smooth start for Team Rose -- with his attorney voicing his frustrations to the judge about the racial composition of the jury pool ... which contained only 2 black people.

Rose's lawyer also groused about the fact 15 of the first 27 potential jurors were Hispanic -- which was concerning for Rose because his accuser is Hispanic.

The judge said there was nothing he could do about it.

Ben Stiller is revealing his prostate cancer diagnosis, and delivering an important message for men -- don't avoid your doctor's finger ... 'cause it could save your life.

Ben went on "The Howard Stern Show" Tuesday ... speaking publicly for the first time about discovering the prostate cancer 2 years ago. He says he beat it after undergoing surgery.

But Ben really wanted to get into the big debate about when to get tested and what kind of test to take. He shared his experience -- in detail -- and believes it could help you.

Check out the clip ... important stuff, but entertaining too.

Kim Kardashian is back safely in NYC with Kanye West ... and they arrived with way more security than your average head of state.

There was an insane show of force as Kim, Kanye, Kris Jenner and Corey Gamble pulled up outside their residence -- they had a caravan of about 10 vehicles with 15-20 bodyguards watching everything and everyone in the area. NYPD's also on the scene.

The amount of security is exactly like what you see when POTUS makes an appearance.

NY Knicks superstar Joakim Noah decided to skip a team dinner with cadets at West Point on Thursday night -- and claims it's because he's anti-war.

Carmelo Anthony, Derrick Rose, Kristaps Porzingis and others attended the function at the military academy in New York where the team has been training for the upcoming NBA season.

But Noah was M.I.A. at the dinner Thursday night -- where military officials also gave speeches to the team -- and Friday he told reporters he was making a political stand because he didn't feel comfortable and hates war.

The Knicks have been training at West Point for a few years -- but this is Noah's first season with the team.

10:50 AM PT -- A rep for Noah tells TMZ Sports, "He has the utmost respect for the military members and cadets. He just doesn't agree with war."

Cocaine's a helluva drug ... and it will probably cost boxer Tyson Fury his championship belts.

The boxer -- who just pulled out of his Oct. 29th rematch with Wladimir Klitschko -- has tested positive for coke ... multiple sources tell ESPN.

Fury's people had said he pulled out because he was "medically unfit" -- but now we know the boxer had failed a Sept. 22nd urine test.

Nick Diaz's smokin' tour continues ... this time, he stopped by Snoop Dogg's studio and burned with the rapper -- and it was all on video.

The UFC superstar -- and avid pot enthusiast -- was a guest on Snoop's GGN Network show ... where the two appeared to smoke some weed and hang out.

Just last week, Diaz lit up with Tommy Chong ... and before that, he kicked it with Snoop backstage at one of the rapper's shows.

Long story short ... Diaz is proud of his marijuana hobby and clearly doesn't care who knows it.

Lady Gaga has been promoted from the National Anthem at last year's Super Bowl ... to headlining Super Bowl LI in February ... the NFL has confirmed.

The timing couldn't be more perfect for Gaga ... who is launching a new album in October.

Gaga received all types of praise for her rendition of the National Anthem at Super Bowl 50 -- and clearly impressed the NFL enough to lock her down as the halftime performer for Super Bowl LI.

Cleveland Browns superstar Josh Gordon is headed back to rehab ... the team just announced.

A Gulfstream jet owned by Cristiano Ronaldo crash-landed in Barcelona on Monday evening -- but the soccer superstar was NOT on board at the time ... this according to multiple reports.

According to witnesses, the G200 -- which Ronaldo reportedly bought last year for $19 MILLION -- was landing at the El Prat airport when the landing gear broke.

Miraculously, no one was seriously hurt -- the pilot was treated for minor injuries.

Ronaldo was in Germany at the time of the crash.

A source close to the superstar told The Mirror -- "The plane is normally rented by companies and it was in use by one of them."

"Cristiano Ronaldo, his family or friends were not on the plane. The incident had no major consequences."

Story developing ...

It wasn't just fans and teammates who came out to mourn Jose Fernandez on Wednesday -- the pregnant girlfriend he left behind also attended the funeral procession.

Kim Kardashian got an up-close encounter from the same guy who attacked Gigi Hadid last week ... but this time he was kissing ass instead of grabbing it.

Vitalii Sediuk ran up on Kim's rear Wednesday in Paris ... slipping past security and planting a kiss right on her left cheek. Her security pounced and took him down immediately. It's unclear if he was arrested.

Kim was impressed with her team's reaction. As she put it ... "My security's a G."

Vitalii pulled the same crap 2 years ago in Paris -- also at Fashion Week -- but that attack was way more aggressive.

That just happened.

Tim Tebow just hit a home run in his FIRST at-bat ... on the FIRST pitch ... in his FIRST instructional league game.

Tebow -- who signed a minor league contract with the NY Mets -- bombed it to left center field.

He was greeted at the plate by his teammates -- who were all going nuts!

FYI -- the pitcher is no joke! John Kilichowski went to Vanderbilt University ... and was an 11th round draft pick of the St. Louis Cardinals in the 2016 MLB draft.