You are not permitted to download, save or email this image. Visit image gallery to purchase the image.
A police spokesperson said a pre-planned search warrant was executed at a premises on Hands Rd in Middleton on Wednesday morning.
More information would be available soon, the spokesperson said.
In May, police raided the Snake Fit Boxing Club on Hands Rd and arrested a person in relation to three serious assaults outside a Christchurch bar in March.