Hundreds of fans who bought World Cup tickets on resale site StubHub say they have had them cancelled at the last minute.
The event attracts hundreds of thousands of F1 fans across four days.
The pop star took action after tickets for her US tour were resold for 14 times their original cost.
The club is using AI to flag tickets that have been resold through third party websites.
An undercover probe finds workers help touts make money from gigs including Oasis and Taylor Swift.
The touts alleged staff at resale sites Ticketmaster once owned helped them trade in bulk, the BBC reveals.
The event's commander says fans should not risk buying tickets from social media platforms.
The club is investigating tickets being offered for sale at high prices.
Coldplay's concerts in Mumbai sold out in minutes and now resellers are charging up to $10,000 for a ticket.
