UK Supreme Court issues landmark ruling on legal definition of woman

The Supreme Court of the United Kingdom unanimously ruled Wednesday that a woman is someone born biologically female, a move that now excludes transgender women from the legal definition of a woman.

Trans women can be excluded from some single-sex spaces and groups under the U.K. Equality Act, the five judges of the top court ruled. These spaces and groups include changing rooms, homeless shelters, swimming areas and medical or counseling services provided only to women.

The ruling...