Dating apps Grindr and Tinder are to be asked to explain to the government how they protect children, after an investigation claimed minors are put at risk of sexual exploitation.
More than 30 cases of child rape have been investigated by police since 2015 after victims evaded age checks on such apps, the Sunday Times found.
Culture Secretary Jeremy Wright described it as "truly shocking".
Grindr and Tinder both said they have measures to prevent minors using them.
A Freedom of Information request by the Sunday Times also showed 60 further instances of child sex offences - including grooming, kidnapping and violent assault - through online dating services.
The youngest victim was eight years old, the paper said.
Mr Wright said the investigation produced "yet more evidence that online tech firms must do more to protect children".
He said he plans to write to Tinder and Grindr to ask "what measures they have in place to keep children safe from harm, including verifying their age."
"If I'm not satisfied with their response, I reserve the right to take further action," he said.
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