British hospitals incinerated the bodies of thousands of aborted and miscarried babies as clinical waste, with some used to heat hospitals as part of an energy efficiency programs, the Telegraph reports.

Ten hospitals of the National Health Service, the UK’s prized single-payer system, have admitted to burning fetal bodies with other medical waste. Another two NHS hospitals which housed “waste-to-energy” plants, which generate heat while eliminating so-called medical waste.

Addenbrooke hospital in Cambridge, England hosted a waste-to-energy plant where officials incinerated the bodies of 797 babies, while telling their mothers that the bodies would be “cremated.”

Ipswich Hospital, an NHS facility whose waste-to-energy plant was run by a private contractor, burnt 1,101 fetal bodies between 2011 and 2013, after bringing in bodies from another hospital to provide more energy for the plant. A spokeswoman for the hospital denied that the NHS facility was incinerating fetal remains and was “concerned” that another bodies from another hospital had been incinerated in its waste-to-energy plant.

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