Russians march in memory of slain Boris Nemtsov Several thousand Russians take part in a Moscow march in memory of Kremlin critic Boris Nemtsov, four years after he was gunned down in the Russian capital. Ordinary Muscovites and prominent opposition figures march through the centre of the city; many carry Russian flags, portraits of Nemtsov and banners with anti-Kremlin slogans. IMAGES of the march in Moscow *REFILING TO CORRECT EDIT*