2019. our correspondent has the story. it was a bitterly cold day injanuary when a baby girl, less than an 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. harry was found in plaistow in september 2017, abandoned shortly after he was born. newborn roman came 16 months later, injanuary 2019, in a park close to the roman road, after which she was named. and elsa, also newborn, was discovered this year, a few hundred yards away. all three children's names have since been changed. this is where baby harry was found back in 2017. since then, two of his siblings have