NHS hospitals in London are to be encouraged by the government to sell their services abroad to raise money for patients in the capital.
Great Ormond Street and the Royal Marsden are among those to be invited to set up branches overseas.
But opponents say the only focus of an NHS hospital should be to treat patients on the NHS.
Our Health Correspondent Liz Wickham has the details.
More top news
Ex-London mayor Ken Livingstone says he is sorry for the "disruption" caused by his comments that Adolf Hitler was a supporter of Zionism.
Kickstarter group asks for public donations to fund replacing Tube ads with pictures of cats
Sir David Attenborough opens Woodberry wetlands in Stoke Newington