Two people were wounded after an explosive device went off in an elevator of a residential building in the city of Ulyanovsk, in Russia's Volga Region, an emergencies ministry source said.
"Two people were wounded, however, no one was killed," the source said, adding that police and Russia's Federal Security Service are working at the scene.
Russia's Federal Security Service said that a janitor and a resident of the apartment block were injured.
ULYANOVSK, December 25 (RIA Novosti)
