Spotted this one today which the headline/defense used was about religious belief, but ultimately looks to stem from comments/concerns made on social media about relationship & sex education and transgender ideology, which were annonymously reported to the school.
https://www.bbc.co.uk/news/uk-england-gloucestershire-68126994
Theres a bit in there about previously being found to have been lawfully dismissed despite recognising that her religious beliefs were a protected characteristic, so I'm wondering if there's more to it than being a straightforward gender ideology type case?