Putin's worst nightmare: Even in death, Alexei Navalny proves to be Vladimir's nemesis as huge crowds chant 'Russia without Putin' and 'Putin is a killer' during funeral in greatest challenge to Vladimir in years

The funeral for Alexei Navalny today proved to be Vladimir Putin’s worst nightmare as thousands of Russian mourners gathered in Moscow to say their final farewell.

Despite a heavy police presence and a warning against dissent from the Kremlin, the huge crowds chanted Navalny’s name as his coffin was carried into the Russian Orthodox church on the outskirts of Moscow at around 11am GMT.

Many carried flowers and shouted support for the 47-year-old anti-corruption campaigner who galvanised mass…