Two bombings within 24 hours killed at least 30 people in a southern Russia city.
Fifty-six people injured in two suicide bomb attacks in Russia's southern city of Volgograd on December 29 and December 30 are still being treated at hospitals in Volgograd, Moscow and St. Petersburg, a Health Ministry spokesman said
Almost 90 people have been detained over the past 24 hours during a police operation launched in Russia's southern city of Volgograd in response to the deadly attacks on a railway station and a trolleybus in the city
The bomb used by terrorists to blast the trolley-bus in Volgograd was equivalent to 4 kilos of TNT, official spokesman for the Investigative Committee of Russia Vladimir Markin told Interfax on Monday
Another explosion shook Volgograd Monday morning. Early reports say 15 people died in the terrorist act in a trolley-bus, and 23 more were wounded, Volgograd region vice governor Vasily Galushkin told Interfax from the scene