Alexei Navalny supporters visit grave on first anniversary of his death

Queues of people risk possible arrest at Moscow cemetery while European leaders condemn Kremlin

European leaders have condemned the Kremlin's ultimate responsibility" in the death of Alexei Navalny, as supporters of Russia's best-known opposition politician held remembrance events a year after he died in an Arctic penal colony.

A steady queue of people braved freezing temperatures and possible arrest in Moscow to visit Navalny's grave in Borisovskoye cemetery, while his widow, Yulia Navalnaya, was due to address a memorial ceremony in Berlin, where she is living in exile.