A former constable at the centre of a landmark legal case over tweets that he sent about transgender people has revealed that he and his family have been threatened with rape and murder.

Harry Miller, 55, was visited last year by police from Humberside, his former force, and told that he would be recorded as having carried out a “hate incident” over a series of tweets about transgender people, including a limerick that he had retweeted which questioned whether transgender women were biological women.

He sought a judicial review against the College of Policing for recording “hate incidents” as incidents that can go on an individual’s police record, despite potentially being based on a single complaint which has not been proved or tested in