Volgograd bus explosion conducted by native of Dagestan

Twenty-seven people, who were injured as a result of the terrorist act in Russia's Volgograd, where on October 21 a suicide bomber blew up a passenger bus, remain at hospitals, Interfax reports. Most of the patients are in moderately critical condition, doctors say. Nine other people, who were also injured in the explosion, undergo out-patient treatment.

Four patients with severe injuries were flown by EMERCOM helicopters to Moscow hospitals on early Tuesday morning.

The explosion occurred on LiAZ bus. Six people were killed, 40 were wounded. Three days of mourning were declared in the Volgograd region on Tuesday night.

According to the Investigation Committee, the suicide bombing was conducted by 30-year-old Naida Asiyalova, a native of Dagestan. Her disfigured body was found on the scene of the explosion, along with her passport and a ticket to her name from Makhachkala (Dagestan) to Moscow.

The power of the explosion was equivalent to 2-3 kilograms of TNT. It was determined that the explosive device consisted of TNT blocks, two grenades and destructive elements in the form of metal fittings and bolts. An unexploded grenade was also found and defused on the site of the explosion.

Journalists of Russia 24 TV channel visited the Dagestani village, where the bomber lived, and talked to her neighbors and friends. They said that they had not seen Asiyalovu for ten years. Her mother, who worked at a post office, had not talked to her daughter for seven years. According to local residents, having left the family home, Naida was living in Moscow. The woman's relatives heard rumors saying that she  had contacted members of a terrorist group.

The main organizer of the terrorist attack in Volgograd was allegedly 29-year-old Arsanali Kambulat, the head of a terrorist group in Dagestan. According to intelligence agencies, he became the leader of a terrorist group about six months ago and had conducted one terrorist attack before the bus explosion in Volgograd.