(Francisco Kjolseth | The Salt Lake Tribune) Mayor Trent Staggs of Riverton, left, and Mayor Derk Timothy of Bluffdale, go before the Salt Lake County City Council on Tuesday, Jan. 28, 2020, to express their opposition to Olympia Hills, a high-density development proposed outside of Herriman. Staggs announced on Tuesday, May 23, 2023, that he is running for U.S. Senate.