Good morning from a frosty and foggy London. Top news on #BBCWorldService:

British doctors have for the 1st time ever #successfully #treated an #incurable and aggressive form of #leukaemia with a #cell #engineering technique: They used #genetically #modified cells that are able to target and kill cancer cells without damaging healthy ones. After the experimental medicine the teenage patient was able to receive a bone marrow transplant restoring her immune system. She is now free of cancer.