In December 2013 , two separate suicide bombings Terrorism a day apart targeted Aiming mass transportation in the city of Volgograd , in the Volgograd Oblast of Southern Russia , killing Killing 34 people overall Wearing , including both perpetrators .

In December 2013 , two separate suicide bombings Terrorism a day apart targeted Aiming mass transportation in the city of Volgograd , in the Volgograd Oblast of Southern Russia , killing Killing 34 people overall Wearing , including both perpetrators .

On 29 December 2013 , a suicide Killing bombing Attack took place Process_start at the Volgograd-1 station in the city of Volgograd , in the Volgograd Oblast of Southern Russia .

On 29 December 2013 , a suicide Killing bombing Attack took place Process_start at the Volgograd-1 station in the city of Volgograd , in the Volgograd Oblast of Southern Russia .

Increasing Cause_change_of_position_on_a_scale the confusion , some newspapers mistakenly reported Reporting Pechenkin as responsible for the 30 December Volgograd explosion ( in the trolleybus ) .

Experts suspect that Doku Umarov , an Islamist militant Hostile_encounter who has called Request for suicide Killing terror Terrorism attacks Attack and has a history of supporting Supporting past attacks Attack , was behind the attacks Attack in Volgograd .

Occasional incidents Hostile_encounter happened Presence in surrounding Surrounding regions , like North Ossetia-Alania , Karachay-Cherkessia , Stavropol Krai and Volgograd Oblast .