The condition the three children were suffering from meant they were unable to talk or walk and were slowly dying.
It has been described as an incredibly debilitating disorder.
The four-year-old girl was diagnosed first followed by the younger twin boys.
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The 78-year-old woman suffered serious injuries after her bag became trapped between the doors of a train at Notting Hill Gate station.
The oil has affected wildlife and boat owners have been told not to move their vessels to avoid spreading it.
Fearing for public safety, PC Chegwin pushed her in the chest in a defensive manner, not knowing she had extensive breast surgery.