Malala Yousafzai has met with UN Secretary General Ban Ki-moon ahead of delivering a speech at the UN headquarters in New York to call on governments to ensure free compulsory education for every child.
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Chancellor Philip Hammond is due to deliver his Budget speech in the House of Commons.
Zimbabwe's recently fired vice president is set to return to the country be sworn in as the new president.
The US-led UN Command has released footage of a North Korean soldier's dramatic escape and shooting in the demilitarised zone.