Updated 13 October: Mercifully the alert has been deactivated because Alisa has been found alive and well.
Original post 11 October: Alisa Yosaray Luis Ramos has been missing for two days from her home in Santa Cruz. She is 17 years old, 1.55m tall, slightly built at just over 7 stone in weight (46kg), with brown eyes and short dyed-blond hair and possibly wearing glasses that she is known to need. She is asthmatic, and police and missing persons agencies are asking for help to locate her. If you can help, please call the Children At Risk number shown on the poster.