Britain's opposition Labour Party leader Jeremy Corbyn joins a doctors and teachers protest in central London on April 26, 2016. Junior doctors in England staged their first ever all-out strike Tuesday in a bitter, deadlocked row with Prime Minister David Cameron's government over pay and conditions. The strike forced 13,000 operations and 113,000 appointments to be postponed by the National Health Service, which employs more than 50,000 junior doctors. / AFP / BEN STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)
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