Andrew Tate was arrested 24 hours after posting a video of himself eating pizza and trolling Greta Thunberg.
The misogynistic social media personality was arrested in Romania alongside his brother as part of a long-running trafficking investigation.
The timing of the raid on his property has fuelled speculation the video may have played a role in the police operation.
In a clip posted on Wednesday evening, the ex-kickboxer ranted about the teenage climate activist while smoking a cigar.
During the video, Tate is seen being handed two boxes from the chain restaurant Jerry’s Pizza with clearly identifiable Romanian-language writing on them.
It has prompted speculation that police may have used the post to confirm his location ahead of his arrest.
Tate has been under investigation since April over his activities in Romania, where he moved five years ago.
He was filmed being led from a property by several masked police officers after what appeared to be a carefully planned operation.
Prosecutors in Romania confirmed he had been detained in a statement to the Reuters news agency.
It read: ‘The four suspects … appear to have created an organised crime group with the purpose of recruiting, housing and exploiting women by forcing them to create pornographic content meant to be seen on specialised websites for a cost.’
A spokesperson told the Mirror he could not provide further details but confirmed the detention.
He said: ‘However, Andrew and Tristan Tate have the utmost respect for the Romanian authorities and will always assist and help in any way they can.’
Andrew and Tristan Tate were seen being escorted by police officers outside the headquarters of the Directorate for Investigating Organized Crime and Terrorism in Bucharest (Picture: Reuters)
The 36-year-old was widely ridiculed this week for starting a bizarre spat with Greta Thunberg.
He wrote on Twitter: ‘‘I have 33 cars. My Bugatti has a w16 8.0L quad-turbo. My TWO Ferrari 812 competizione have 6.5L v12s. This is just the start.
‘Please provide your email address so I can send a complete list of my car collection and their respective enormous emissions.’
She replied: ‘Yes, please do enlighten me. email me at smalld**[email protected].’
The tweet became one of the most popular off all time, attracting more than 3.2 millions likes.
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Did a video trolling the teenage climate activist play a role in his arrest?