Police have located the mother of a missing child, but say they are still trying to find the father and the boy who was taken from a Brisbane hospital on Thursday.
Investigators believe the boy is at "imminent risk" and have issued an amber alert, after he was taken from the Lady Cilento Children's Hospital by his parents.
Police said the four-year-old, who is wheelchair-bound and has cerebral palsy and epilepsy, requires urgent and ongoing medical attention.
The boy's mother, an anti-vaccination campaigner, has previously written online that the boy has cerebral palsy and epilepsy. She said hospital staff have not permitted the use of medicinal cannabis products.
This week she claimed online her son is allergic...
Read more: Amber alert: Fears for 4yo boy taken from Lady Cilento Children's Hospital in Brisbane - ABC Online