nprnews_____ = ||| lubuntu at wor2 1TXN|||Protests Swell Across Russia Calling For The Release Of Kremlin Critic Alexei Navalny||| kickerpage = |||no kicker pagenpr for NPRNEWS||| summarynpr = |||Russian authorities warned of mass arrests as demonstrators marched in open defiance of the Kremlin and called on President Vladimir Putin to free the jailed opposition leader.