The bill puts a duty on tech giants like Facebook and Google to develop systems to identify and remove illegal material, as well as deal with content that is harmful to adults and children. Ofcom would enforce this as the regulator.

An open letter led by the NSPCC (National Society for the Prevention of Cruelty to Children) charity and signed by the parents of children who have been groomed expressed frustration that the long-delayed bill was held up yet again last month in its passage through parliament.

Addressed to Conservative Party leadership candidates Rishi Sunak and Liz Truss, the letter states: “It was upsetting to see opponents of the bill rejoicing at this delay and calling for the legislation to be scrapped altogether.

“The Online Safety Bill would begin to hold tech companies accountable for the harm we have suffered that should never have happened in the first place.

“It has been years in the making and would finally turn the tide towards...