Kremlin critic Navalny was under police surveillance before falling ill: paper - Reuters

Kremlin critic Alexei Navalny, who fell gravely ill on Thursday after what his allies believe was a poisoning, was under intense police surveillance in preceding days, a Russian tabloid newspaper cited law enforcement sources as saying. https://www.reuters.com/article/us-russia-politics-navalny-idUSKBN25J0BA