At least six people were killed and more than 40 injured in a bomb blast that rattled Russia's southern city Starvropol, officials said.
The toll in Wednesday's terrorist attack reached six when a ten-year-old girl died in a hospital, a local official told RIA Novosti.
More than 40 people were injured in the blast, which took place outside the city's House of Culture and Sport ahead of a Chechen band's concert.
Stavropol Territory Governor Valery Gayevsky said the terrorist attack was aimed at shattering national unity.
A top regional investigator, Yekaterina Danilova, said the explosion was equivalent to 0.2 kg of TNT.
Stavropol is the largest region in the North Caucasus Federal District and hosts its administration, but has remained largely free of the violence in the neighbouring republics of Chechnya, Ingushetia and Dagestan.