Letters arguing research could harm participating children sent to medical regulators, health secretary and NHS

Campaigners have begun a legal process intended to suspend a clinical trial of puberty blockers on the grounds that the research could prove harmful to the children taking part.

The study was commissioned in response to last year’s review of gender identity services by Dr Hilary Cass, which found that gender medicine was an “area of remarkably weak evidence” and “built on shaky foundations”.

Visitor numbers to UK’s 10 most-visited services have settled at a ‘lower level’ than before 25 July, report finds

Traffic to pornography websites in the UK has fallen in the wake of age checks being introduced this year while use of specialist software to dodge viewing restrictions has increased, according to the communications watchdog.

Ofcom said the enforcement of age vetting on 25 July led to an immediate fall in visits to popular online porn publishers, including the most visited provider in the UK, Pornhub.