Updated 6.30pm: The alert has been deactivated because Sandra Abreu Hernández has thankfully been found alive and well.
Original post 1 November: Sandra Abreu Hernández has been missing since yesterday from Santa Ursula. She is 25 years old and when last seen was wearing black trousers, a white quilted jacket, and black trainers, and was carrying a black rucksack. There is concern about her welfare because she needs medication urgently. If anyone can help locate her, please call any police or the numbers on the poster.