LONDON (AP) — Thousands of trans rights protesters gathered in central London on Saturday, days after the U.K.'s Supreme Court ruled that a woman is someone born biologically female and that transgender women are excluded from that legal definition.

With over what the ruling means for the rights of transgender people, protesters came together for what was billed as an “emergency demonstration” in Parliament Square. Activists demanded “trans liberation” and “trans rights now,” with some waving flags and holding banners.

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