A woman holds a religious icon as she takes part in a rally to commemorate the victims of a bomb explosion at Domodedovo airport in central Moscow January 27, 2011. Russia's Prime Minister Vladimir Putin vowed revenge on Tuesday for a suicide bombing that killed at least 35 people at Russia's busiest airport and underscored the Kremlin's failure to stem a rising tide of attackss. REUTERS/Nikolay Korchekov (RUSSIA - Tags: POLITICS OBITUARY RELIGION CRIME LAW CIVIL UNREST)