Police in Ealing are growing increasingly concerned for the welfare of a mother and her six-week-old baby.
Isobel Hughes and her daughter Mya were last seen at 10pm on Friday April 1, in Ealing.
Isobel is a 20-year-old white woman, 5ft 8ins in height and of slim build. She has links to Windsor, Slough, Reading and Hampshire.
Baby Mya requires regular medical checks as she has a heart condition.
Officers urge anyone with information on her whereabouts to call Ealing police on 101 or Missing People on 116000, quoting the reference 16MIS013225.