Russians arrest 3 in subway bombing case, defuse device

A woman holds portraits of Irina Medyantseva
A woman holds portraits of Irina Medyantseva, one of the victims of the subway explosion, during her funeral outside St.Petersburg, Russia, Thursday. Medyantseva, a doll maker, died after she threw herself on her daughter to save her from the blast in the subway in Russia's St. Petersburg on Monday.
Dmitri Lovetsky | AP