Katy Perry had an alarming moment when a fan jumped on stage and put his arms around her during her concert tour stop in Sydney on Monday, June 9.

A man was arrested after ambushing Katy Perry on stage during her Lifetimes Tour in Sydney, Australia. Security removed the disruptive fan from the performance.

The incident in question took place at Perry’s performance at Sydney’s Qudos Bank Arena on Monday (June 9). The singer’s second of three sold-out dates at the venue for the Australian leg of her Lifetimes Tour, the show began as normal, but soon saw an unexpected figure appearing onstage during Perry’s performance of 2008 single “Hot N Cold.”