Microsoft billionaire Bill Gates has told ITV News that today's protest rally in Hyde Park to mark a G8 Nutrition Summit was the "momentum that saves millions of lives".
Earlier today, Mr Gates praised the UK for "leading the way" on tackling hunger.
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Kate will join Prince William on a tour of the Stephen Lawrence Centre before visiting a charity working with disadvantaged young people.
There is an "urgent need" for a "simpler and more trusted" system for investigating clinical failures, according to a damning report.
Over 100 mothers and fathers were investigated for leaving their children unsupervised in the final three months of 2014, new figures find.