British Prime Minister Rishi Sunak speaks at the opening session of the Global Food Security Summit at Lancaster House, central London. Getty Images
Mariam Al Mheiri, UAE Minister of Climate Change and Environment, and Minister of State for Food Security, addresses the event on November 20. Getty Images
A recorded message by Bill Gates is broadcast at Lancaster House. Getty Images
Mr Sunak said the world 'must take action' to address the underlying causes of food insecurity. Getty Images
Somalia's President Hassan Sheikh Mohamud makes a speech at the summit. AP
Mr Sunak shakes hands with Britain's Minister of State for Development and Africa, Andrew Mitchell. PA
Chairman of the board of the Children's Investment Fund, Sir Chris Hohn, at the summit. PA