A new screening programme led by doctors from Sheffield has already saved the life of a newborn baby. Doctors are testing thousands of children for five rare conditions which can prove fatal. In one case they say if the condition hadn't been picked up the young girl would not have survived.
James Webster reports.
More top news
Seven people have been arrested on suspicion of murder after the death of a man in Sheffield.
Members of the Rail, Maritime and Transport union on Arriva Rail North (Northern) have walked out for 24 hours.
What's in store for us this weekend? Jon has the latest...