John Stingemore, former deputy head of the Grafton Close children's home, is believed to be one of the men arrested by police investigating alleged child abuse at Elm Guest House.
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Classmates and well-wishers have been leaving flowers and messages at a tree on a housing estate in Mansfield.
MPs will pay tribute in the House of Commons to former Lib Dem leader Charles Kennedy, who was found dead at his home earlier this week.
David Cameron has faced the House of Commons for his first Prime Minister's Questions of the new Conservative government.