RIP

2:27 PM PT -- Tributes for Bill are pouring in from all over the world -- and, former President Barack Obama even posted in his honor -- remembering Bill as a grinder on the court and for his wonderful spirit off it.

Bill Walton -- the NBA legend who delighted fans for decades both on the court and in the commentary booth -- has died, according to the NBA.

The league put out a press release Monday morning announcing the sad news ... saying Bill passed away after a prolonged battle with cancer. He was surrounded by family when he passed.

NBA Commissioner Adam Silver remembers Bill as a dominant force on the court and a colorful personality off it ... while also lauding Bill for his positive, upbeat personality at league events.

Johnny Wactor -- an actor best known for appearing in nearly 200 episodes of "General Hospital" -- has died, TMZ has learned.

Wactor was shot and killed in downtown Los Angeles early Saturday morning, his mother Scarlett tells TMZ. She says Johnny was with a coworker when they saw three men messing with Johnny's car. While authorities haven't released his name, this matches the description of an incident where three suspects allegedly tried to steal a catalytic converter.

Scarlett says she was told Johnny didn't try to fight or stop them ... but, the men shot him anyway before taking off. According to police info, paramedics rushed to the scene just after 3 AM PT. He was pronounced dead at the hospital.

Grayson Murray's parents have released a statement about the death of their 30-year-old son ... revealing the PGA Tour golfer died by suicide.

Murray's parents, Eric and Terry, gave the update on Sunday ... a day after Grayson died following his abrupt withdrawal from the second round of the Charles Schwab Challenge. At the time, he cited sudden illness as the cause.

"We have spent the last 24 hours trying to come to terms with the fact that our son is gone," his parents said on Sunday.

Golf star Grayson Murray has died at 30 years old, the PGA Tour announced on Saturday ... just hours after withdrawing from a tournament with an illness.

Murray was in Fort Worth, Texas, where he was competing in the Charles Schwab Challenge ... but he pulled himself from the tourney during Friday's second round, citing an illness. No further information was given at the time.

Saturday morning, the Tour announced the young, talented golfer had passed away.

Richard M. Sherman -- half of the Sherman Brothers songwriting duo responsible for some of the biggest Disney hits ever -- has died ... according to the Walt Disney Company.

Sherman passed away at Cedars-Sinai Medical Center in Beverly Hills, the company posted on its website. The announcement cites age-related illness as the cause of death.

Richard and his brother Robert -- who died of natural causes in 2012 -- caught their first big break in Hollywood in 1959 when their song "Tall Paul" reached #7 on the charts.

A police officer in Missouri shot and killed a blind and deaf dog this week ... and while the department's saying the cop feared contracting rabies -- the community's calling BS.

Teddy -- a five-year-old, 13-pound shih tzu mix was killed in Sturgeon, Missouri after escaping his yard. The owner gave the dog some water and called the police ... who The Washington Post reports shot the dog twice within minutes of arriving.

Check out the body cam footage ... little Teddy's running around the field -- away from the officer at first before turning around and moving toward him, though not seemingly in an aggressive way.

Morgan Spurlock -- the filmmaker behind the famous "Super Size Me" documentary -- has died at 53 after complications of cancer.

His death was confirmed by his family Thursday who said, he "passed away peacefully in New York surrounded by family and friends."

His brother Craig Spurlock added, "It was a sad day, as we said goodbye to my brother Morgan. Morgan gave so much through his art, ideas and generosity."

Kabosu, the hilarious Shiba Inu dog behind the famous "doge" internet memes, is giving side-eye to God now -- she died, according to her heartbroken owner.

You've probably stumbled across Kabosu's pic online at some point -- she's that pooch giving the ultimate side-eye with a skeptical expression, which blew up big time in 2013 on Tumblr and all those online hangouts, earning itself the title "doge."

Atsuko Sato, Kabosu's owner from Sakura, Japan shared the sad news in a heartfelt blog post Friday ... writing, "She passed away peacefully, almost like she was just sleeping, while I gently stroked her."

Tennessee's top cop is stepping up for the King ... officially checking out misconduct allegations against the lending company that attempted to foreclose on Elvis Presley's estate.

TN Attorney General Jonathan Skrmetti announced Thursday his office is investigating Naussany Investments and Private Lending, LLC -- the company that set the wheels in motion for Graceland to be auctioned off ... that is, until Elvis' granddaughter Riley Keough accused the company of fraud.

Skrmetti said, “I have asked my lawyers to look into this matter, determine the full extent of any misconduct that may have occurred, and identify what we can do to protect both Elvis Presley’s heirs and anyone else who may be similarly threatened.”

Tragedy struck in Mexico Wednesday when high winds ripped through a presidential campaign rally, collapsing the stage and taking the lives of 9 people.

The terrifying moment happened on camera as candidate Jorge Álvarez Máynez campaigned in a city outside Monterrey -- and as he and several supporters got the crowd chanting, a sudden gust of wind tore down a large video screen at the back of the stage.

Álvarez Máynez and his team were seen scrambling in different directions to take cover as the scaffolding and screen came crashing down onto the stage.

Nicole Brown Simpson's mother Juditha took on the daunting responsibility of telling Nicole's children about her death ... her sister Dominique revealed in a new interview.

Ahead of the 30th anniversary of Nicole's murder, her sibling shared with People insight into how the family operated in the wake of their tragic loss. Per Dominique, Nicole's kids Sydney and Justin, who were just 8 and 5 at the time, were told "Mommy's in heaven" by Juditha.

Dominique recalled how she and her sisters stepped in to help with Sydney and Justin, whom she tried to protect from the horrifying realities of the situation.

1:34 PM PT -- Train just released a heartfelt tribute to Charlie Colin saying, "When I met Charlie Colin, front left, I fell in love with him. He was THE sweetest guy and what a handsome chap. Let’s make a band that’s the only reasonable thing to do."

They continued, "His unique bass playing a beautiful guitar work helped get folks to notice us in SF and beyond. I’ll always have a warm place for him in my heart. I always tried to pull him closer but he had a vision of his own. You’re a legend, Charlie. Go charm the pants off those angels❤️🙏⭐."

Charlie Colin, one of Train's founding members, has died from what appears to be a tragic accident ... TMZ has learned.

12:35 PM PT -- Now it's a total victory for Riley Keough ... as Naussany Investments and Private Lending has withdrawn all claims on Graceland, with prejudice -- meaning it can't be refiled.

In a statement, the company said it meant no harm to Riley ... who's insisted all along that the alleged loan to her mother was a total fraud.

Elvis Presley's Memphis home is staying in the family ... a judge just blocked the scheduled auction of Graceland by approving the restraining order Elvis' granddaughter, Riley Keough, requested.

10:45 AM PT -- Boeing just released a statement saying, "We are in contact with Singapore Airlines regarding flight SQ321 and stand ready to support them. We extend our deepest condolences to the family who lost a loved one, and our thoughts are with the passengers and crew."

A Singapore Airlines plane took a 6,000-foot drop after running into some nasty turbulence ... leaving 1 person dead and over 30 hurt.

Check out the clip -- you can see the food and debris left behind after the Boeing 777-300 jet hit bad turbulence when flying to Singapore from London Tuesday ... forcing it to make an emergency landing in Bangkok at 3:45 PM local time.

Pro wrestler John 'Bad Bones' Klinger -- who competed in Westside Xtreme Wrestling and TNA, among other promotions -- passed away just days after his latest match in the ring. He was only 40.

wXw made the tragic announcement on Monday. Klinger's cause of death hasn't been disclosed.

"We wish his family and friends strength during this difficult time," the wrestling promotion said.

Matthew Perry's death has, publicly, been considered an open and shut case -- but, as far as the authorities go, they're still digging into how he got one particular drug ... TMZ has learned.

Law enforcement sources tell us there is an ongoing investigation into where Matthew got the ketamine that ended up playing a part in his death -- and the main questions are who provided the drug, and under what circumstances.

Our sources say both local police and the DEA have been looking into this matter for months, but it's unclear where exactly investigators are in the probe.