MOSCOW - A Russian toxicologist said on Friday that opposition leader Alexei Navalny's health could have deteriorated due to dieting, stress or fatigue, insisting no poison had been found in his samples in Siberia.
The 44-year-old opposition politician fell ill on a flight last month and was treated for two days in a clinic in the Siberian city of Omsk before being evacuated to Germany.In a statement by Omsk regional authorities carried by Russian news agencies, chief regional toxicologist Alexander Sabayev said Mr Navalny had suffered from stomach problems before he fell ill.
Mr Navalny's poisoning has sparked a new crisis in ties between Russia and the West, and an urgent Nato meeting on Friday is set to discuss Mr Navalny's case.
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