Opponents of data centers say volunteers have been harassed collecting signatures for a petition at MontanaFair, including by law enforcement, while interim Yellowstone County Sheriff Kent O'Donnell defended his deputies. Watch signature gathering story here:Citizens tell Yellowstone County Commissioners they were harassed while gathering signaturesA group of citizens gathered at the Yellowstone County commissioners' meeting Tuesday morning to speak against the treatment of the signature gatherers at MetraParkWhile they're not allowed to be on the inside gathering signatures, some say they were harassed outside. "I wasn't causing a scene,” said Katie Harrison, a volunteer with Yellowstone County Voices, the group sponsoring the petition that sought to require a public vote on data centers. Kassi Solberg, an organizer of Yellowstone County Voices, said she had entered the fairgrounds after collecting signatures when she was accosted by deputies. Related:Quantica seeking to boost energy capacity at proposed Broadview data centerCommunity voices concerns over Broadview AI data center project