A Leicester couple who have permission for a "designer baby" to treat their daughter have reached a first fundraising milestone.
Charlotte needs treatment on her bone marrow
Charlie and Catherine Mariethoz have been granted a licence to have a child which is a genetic match for a stem cell transplant for daughter Charlotte.
The 22-month-old has the rare blood disorder diamond blackfan anaemia.
The couple said they were delighted with the speed £10,000 has been raised towards the £40,000 treatment cost.
Mrs Mariethoz said: "Everybody has been so generous. We had an auction night last week which raised £4,500.
"Some people who are running a marathon have said they will donate half of the money they raise.
"Everybody has been so kind, it really helps us to look forward to the future."