In a series of social media posts, JK Rowling described several transgender women as men, including convicted prisoners, trans activists and other public figures.
The Harry Potter author, who lives in Edinburgh, then invited police to arrest her if they believed she had committed an offence.
On X, external, she said “freedom of speech and belief” was at an end if accurate description of biological sex was outlawed.
Ms Rowling, who has long been a critic of some trans activism, raised concerns that the law did not protect women as a group from hatred.
The Scottish government is expected to include this later in a separate misogyny law.
