Elon Musk and Mark Zuckerberg  have agreed to fight each other in a cage match.

Elon Musk, who turns 52 later this month, posted a message on his social media platform Twitter that he was “up for a cage fight” with the boss of Facebook and Instagram parent compani Meta.

Mark Zuckerberg, 39, then posted a screenshot of Elon Musk’s tweet with the caption “send me location”.

Elon Musk then replied to Zuckerberg’s response with: “Vegas Octagon.”

The Octagon is the competition mat and fenced-in area used for Ultimate Fighting Championship (UFC) bouts. The UFC is based in Las Vegas, Nevada.

Elon Musk also tweeted: “I have this great move that I call “The Walrus”, where I just lie on top of my opponent & do nothing.”

He also tweeted: “I almost never work out, except for picking up my kids & throwing them in the air.”

Meanwhile, Mark Zuckerberg has already been training in mixed martial arts (MMA) and has recently won jiu-jitsu tournaments.

The exchanges have gone viral with social media users debating who would win the bout, while others have posted memes including mocked up posters advertising the fight.

Earlier this month, Meta showed staff plans for a text-based social network designed to compete with Twitter.

It could allow users to follow accounts they already follow on Instagram, Meta’s image-sharing app.

It could potentially allow the company to bring over followers from decentralised platforms such as Mastodon.

The text-based network – which has a working title of P92 – could turn out to be a greater rival to Elon Musk’s Twitter than either BlueSky or Mastodon.