JEFFERSON CITY, Mo. (AP) — A Democratic state senator has demanded an explanation after an exhibit on the gay rights movement in Kansas City was removed from the state Capitol following Republican complaints.

Kansas City Sen. Greg Razer, the only openly gay member of the Missouri Senate, said Thursday that he was "appalled" when he was told the exhibit, "Making History: Kansas City and the Rise of Gay Rights," had been removed from the Missouri State Museum at the Capitol.

State Parks, which is part of the Department of Natural Resources, oversees the museum. Razer said he reached out to DNR D...