Ariel Castro agreed to plead guilty and serve life in prison without parole for the abduction and abuse of three women over a decade in Ohio.
Under a plea agreement announced in court, Ohio prosecutors agreed that Castro would not be eligible for the death penalty.
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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.