German police detained a U.S. man Wednesday suspected of stalkingTaylor Swiftand making threats against her andTravis Kelceon social media.

The man, who has not been identified, was trying to attend Swifts concert in Gelsenirchen.

He was arrested after initial investigations could not rule out that he posed a threat, said police.

Taylor Swift performs onstage during at Veltins Arena on July 17, 2024 in Gelsenkirchen, Germany.

Taylor Swift performs onstage at Veltins Arena in Gelsenkirchen, Germany.Andreas Rentz/TAS24/Getty Images for TAS Rights Management

AP reported that organizers of the event tipped off authorities of the allegedstalkers concerning online behavior.

Watch on Deadline

A court ordered the man to be held through Saturday.

The Wednesday show was one of three in Gelsenkirchen.

L-R: Christopher Briney, Lola Tung and Gavin Casalegno in ‘The Summer I Turned Pretty’ Season 3

It attracted 60,000 fans.

Swift has seven total shows inGermanyover the next two weeks, with shows in Gelsenkirchen, Hamburg and Munich.

She will wrap up the European leg of the Eras Tour in August, performing five nights in London.