by the same parents. dna tests established that baby elsa is the sibling of a boy and a girl found in very similar circumstances in 2017 and 2019. as our correspondent sanchia berg reports, bbc news has been given permission to report these details after a family court judge said the story was of "great public interest". it was a bitterly cold day injanuary, when a baby girl, less than than hour old, was found here in east london. hospital staff called her elsa, after the frozen character. the bbc can now report that elsa has two full siblings, harry and roman. all three babies were abandoned in similar circumstances within two miles of each other. the baby boy, harry, was found in plaistow in september 2017, abandoned shortly after he was born. a newborn girl, roman,