An eerie scene as police wait for marchers to reach site of Nemtsov murder just outside the Kremlin's walls.
From the Saint Petersburg march. "Leviathan killed Nemtsov and wants to gobble up Nadia [Savchenko].
More here on Savchenko's hunger strike, which is now in its 11th week.
Outside the gates where the march begins.
Oddly, Russia' state-run international outlets, including RT and Sputnik, are covering it.
As the Nemtsov march begins in Moscow, here's what some rallies in other cities have looked like today.
Saint Petersburg:
Nizhny Novgorod:
Kazan: