Extremists also threatened attacks during the Olympic winter games in Sochi, which will begin on February 7.

Radical Islamist group Ansar al-Sunna" took responsibility for 2 of the terrorist attack in Volgograd, informs DW.

In a video posted on the Internet on January 19, 2 young men who call themselves Suleiman and Abdurrahman, holding machine guns. It is alleged that they were suicide bombers. The performance is accompanied by a display photos from Volgograd, taken from the media, RBC reports.

Extremists also threatened attacks during the Olympic winter games in Sochi, which will begin on February 7.

Earlier in mass-media there were news that the bombers arrived in Volgograd from Dagestan. One of them is the Asker Samedov - was considered an active member buynakskiy terrorist group, which was related to the first terrorist attack in the city of Volgograd in the autumn of last year.

Remember that a large terrorist attack happened in Volgograd on December 29: the explosion at the entrance space station killed 18 people, injured more than 40.

On the morning of December 30, in the Dzerzhinsk region of Volgograd exploded trolleybus. An explosive device detonated in "rush hour". In the result 16 people were killed and up to 3 10 s were wounded.

For reference: JAMA'at Ansar al-Sunna (the Army of followers of the Sunnah)" - the militant Islamic group in Iraq, which is struggling with the presence of the United States in this country and with the Iraqi government.
sections: Politics, World News, Accidents, Accidents