How the Baby was Found
The baby was discovered wrapped in a towel inside the bag in Newham in sub-zero temperatures by a dog walker, who kept her warm until paramedics arrived.
What Police Says
Police said the baby, who has been named Elsa, was unharmed and is safe.
Officers are ‘extremely concerned’ for the welfare of the girl’s mother and appealed for her to get in touch.
Police were called at about 21:15 GMT on Thursday when the dog walker found the baby at the junction of Greenway and High Street South.
In a news conference on Friday afternoon, the Met said staff at the hospital she was taken to had given her a temporary name of Elsa and believe she is a black or mixed race child.
Appeal to the Baby’s Mother
Supt Simon Crick said: ‘We believe Elsa to be less than an hour old when she was found. We do not know how long she had been there when she was found.’
He said the walker’s actions in keeping the little girl warm with blankets ‘contributed to saving Elsa’s life’.
‘I believe the dog walker heard the child crying, which is what alerted them,’ he added.
In a previous statement, Ch Supt Crick appealed to the baby’s mother to contact police.
‘Our thoughts now turn to the baby’s mother; we are extremely concerned for her welfare as she will have been through a traumatic ordeal and will be in need of immediate medical attention following the birth,’ he said.
Trained medics and specialist officers are ready to support her and we urge her to get in touch by phone or walk in to the nearest hospital or police station.’
He added: ‘Please know that your daughter is well, and no matter your circumstances, please do seek help by dialling 999.’