Russian doctor blames diet, stress for Navalny coma

Moscow: A Russian toxicologist said 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. Russia faces the threat of new sanctions after Germany said this week that President Vladimir Putin's top foe had been targeted with Novichok, a banned warfare agent. ALSO SEE Russia marks 75th Victory Day parade...