The UK's Supreme Court ruled the legal definition of a "woman" is based on a person's sex at birth
The English Football Association has ruled that trans women may no longer player in women's football
Transgender women will no longer be able to play in women's football from June 1, England's governing Football Association announced Thursday.
Britain's Supreme Court is situated on Parliament Square in London
The Supreme Court is Britain's highest court
Campaigners who argue that biological sex cannot be changed cheered the ruling
At the heart of the legal battle were clashing interpretations of the Equality Act
Britain's Supreme Court ruled Wednesday that the legal definition of a "woman" is based on a person's sex at birth, a landmark decision with f…