German doctors said on Monday that medical examinations indicated that Russia Opposition figure Alexei Navalny, who is in a Berlin hospital after collapsing on a plane in Russia last week, had been poisoned.
Navalny, a critic of Russian President Vladimir Putin, had been flown to Germany for treatment on Saturday.
The Kremlin has said it was unclear what caused Navalny to fall ill and that initial tests did not show he was poisoned. Berlin’s Charite hospital said a team of doctors there had examined him in detail after his arrival.