The Trump administration said Monday that the University of Pennsylvania violated laws guaranteeing women equal opportunities in athletics by letting a transgender swimmer compete on the school's women's team and into team facilities.

The University of Pennsylvania violated federal civil rights law by allowing transgender swimmer Lia Thomas to compete on its women’s team during the 2021-22 season and use the female facilities, the U.

The lawsuit sets the stage for another legal battle over the issue after the government sued Maine for its refusal to ban trans athletes.