JK Rowling has donated £15.3m to support research into neurological conditions at a centre named after her mother.
The Anne Rowling Regenerative Neurology Clinic at the University of Edinburgh was established with a £10m donation from the Harry Potter author in 2010.
Her latest gift will help create new facilities and support research.
Anne Rowling died aged 45 from complications related to multiple sclerosis (MS). Read more