Kingdom FM Broadcasters are required to take better care of TV contestants' mental health under new Ofcom rules that come into force today. The changes force broadcasters to take "due care" over the welfare of people who "might be at risk of significant harm as a result of taking part in a programme". They also mean participants must be informed of any potential welfare risks before appearing on TV or radio shows. Ofcom is introducing the changes amid growing concern for reality TV stars following the death of at least three in recent years. Presenter Caroline Flack took her own life after being forced to step down from Love Island after being charged with assaulting her boyfriend.