(CNN) — Laboratory tests of smuggled samples taken from late Russian opposition leader Alexey Navalny show that he was poisoned when he was imprisoned in a Siberian penal colony, his widow Yulia ...

Navalny’s widow says lab tests prove he was poisoned ...

(CNN) — Russian opposition figure and outspoken Kremlin critic Alexey Navalny, who died two years ago, was killed while in prison by a lethal toxin found in poison dart frogs in South America, five ...

Add Yahoo as a preferred source to see more of our stories on Google. Yulia Navalnaya, the wife of late Russian opposition leader Alexey Navalny, claims foreign laboratory tests show he was poisoned. ...