The UK Advertising Standards Authority

“Bullies love silence”

“In the US and Canada, it is a recognised form of attack on someone to denounce them for their opinions to some officious “human rights” body, which will then solemnly harass them for months or years …In this process, it matters not whether the victim is found guilty – because ‘the process is the punishment'” — Advertising Standards Authority threatens the Cranmer blog

It’s not clear to me that the Advertising Standards Agency has much real authority, but it does sound like the people there are trying to harass and intimidate a UK blogger who ran ads supporting marriage.