The head of the World Athletics Championships' official mascot Legend the Bigfoot has become the subject of a police investigation after it was stolen.
Police were called to Eugene's Hayward Field after Legend's yellow head went missing and a number of videos and photographs surfaced on social media showing people wearing it.
A spokesperson from Oregon 2022, the championship organisers, said: "This is now a police matter, and we won't have further comments at this time."
The mascot - a big yellow, furry, mythical creature - was chosen for the 2022 World Championships because of legend in this part of the United States.
It was said that a mysterious creature roamed the region and it became known as Bigfoot.
Legend's replacement head was used at the Eugene venue on Tuesday after the original went missing.
.@WCHoregon22 Mascot @Legend_Bigfoot practices the steeplechase balance beam 🤣🤣🤣🤣 #WCHOregon22 pic.twitter.com/VPGwKlN3L6
— Marlon A. Hill (@MarlonAHill) July 17, 2022