How Tommy Lee's Alleged Altercation With Brandon Involves Pamela Anderson

UPDATE: Brandon Lee is sharing his side of the story.

"I'm devastated at the events of the last several days that have been a result of my father's alcoholism. I've worked tirelessly organizing an intervention and it's incredibly upsetting that it never came to fruition," the 21-year-old said in a statement to People. "I wanted my dad's hopeful sobriety and recovery to be a private family matter but, as a result of his accusations on social media, I feel forced to speak out. I have and will continue to cooperate with law enforcement as needed. I love my father and just want to see him sober, happy and healthy."

Tommy, however, insists he does not have a drinking problem. "LMAAAO!!!! I'm happier than I've been in my entire life. I have a few drinks here & there because I'm f--kin retired and enjoying my life," he wrote on Twitter. "I worked 30+ f--kin years I deserve it. You didn't arrange any intervention, you barely spoke to me while u were here. Just coverin ur ass!!"

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New details are being revealed into Tommy Lee's alleged fight with Brandon Lee.

Police confirm to E! News that on Monday evening, a physical altercation occurred between the father-son duo.

As a result, Tommy sought medical treatment at a hospital. According to police, the rock star is alleging that a criminal offense took place. At this time, the investigation is ongoing and nobody has been charged with a crime.

In fact, police told E! News that Brandon is being cooperative in the investigation and a witness was interviewed soon after the incident.

"My heart is broken. You can give your kids everything they could ever want in their entire lives and they can still turn against you," Tommy wrote on Twitter with a photo (that has since been deleted) of his bleeding face. "Good job Brandon! Great son!"

According to police, the altercation stemmed from a social media post that Tommy and Brandon had a disagreement over.

In the 911 call obtained by E! News, Tommy's fiancée Brittany Furlan was asked what the pair was arguing about. She confirmed it was over Brandon's mom. "[Tommy] got mad and posted some ugly photos of her," she shared.

People also claims the pair had been arguing about a series of tweets Tommy had posted responding to Pamela's interview on Piers Morgan's Life Stories that aired Saturday night on ITV. During the interview, the actress claims she had endured physical abuse during her relationship with Tommy. He denies the claims.

"Think she'd find something new to discuss instead of rehashing old s--t but I guess she has nothing else going on & needs attention," he wrote to Piers Morgan. "Signed, ‘The abuser' (who she texts every day & asks for me back)."

E! News has reached out to Brandon and reps for Pamela and Tommy Lee.

Tommy did address one media report in a social media post on Tuesday evening. "Hey @TMZ maybe get your facts straight before you go reporting bulls--t," he shared with his followers. "My fiancé and I were in bed when my son busted into the room and assaulted me. I asked him to leave the house and he knocked me unconscious. He ran away from the police. THAT'S the truth."

Tommy fiancée also wrote on Twitter, "Violence is NEVER the answer."

As for Brandon, he spoke out on Instagram Story with a message. "As I get older, I have started to realize that there are very few people you can trust…that's my super depressing thought for tonight. Just thought I'd share it and be a d--k."

—Reporting by Holly Passalaqua