There should be a ban on the import of sex robots designed to look like children, the author of a new report into the phenomenon has said.
Prof Noel Sharkey said that society as a whole needed to consider the impact of all types of sex robots.
The upcoming robot revolution could lead to an increase of companies producing sex robots.
Sex dolls that resemble children do exist, and a court in Canada is currently determining whether owning one is illegal.
"The real problem here is not the dolls but the commercial sex trade. Sex robots are just another type of pornography," said Dr Kathleen Richardson, a robot ethicist at De Montfort University.
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