This afternoons 'Feedback' covered Disaster Trolls in their first item:
https://www.bbc.co.uk/programmes/m001f5hl
The woman who it was claimed had taken part in the "fake' Manchester bombing and lied about her resultant disabilities is to take action for libel and I wish her every success.
Earlier, on Woman's Hour, the Internet Watch Foundation explained how children are being targeted by paedophiles and why the Online Safety Bill is needed. Again, it's the first item:
https://www.bbc.co.uk/programmes/m001f5fg