Detectives investigating the disappearance of Suffolk teenager Luke Durbin say tests on a bone which was discovered in woodland in Ufford in Suffolk February have confirmed the origin of the bone belonged to an animal.
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More than 4,600 academics have signed a letter calling for an inquiry into the death of PhD student Giulio Regeni in Cairo last month.
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As the number of whales dying on our beaches rises, we've spoken to an Evolutionary Biologist about why this tragic event keeps happening.