(Trent Nelson | The Salt Lake Tribune) Protesters at the Pleasant Grove Police Department, upset that North Utah Valley Animal Services continues to use a gas chamber to euthanize animals, on Thursday, April 28, 2022.(Trent Nelson | The Salt Lake Tribune) Protesters gather at the Pleasant Grove Police Department, upset that North Utah Valley Animal Services continues to use a gas chamber to euthanize animals, on Thursday, April 28, 2022.