Monday's attack killed 14 people and injured nearly 50. Earlier in the day, Kyrgyz officials were only telling us that they believed that it was someone who was born in Kyrgyzstan who had acquired Russian citizenship, and the phrase suicide bomber was not even being used.
Russia's top investigative body said DNA evidence indicated that Jalilov also placed a bag containing a bomb at another subway station on April 3.
Six Central Asian men suspected of supporting terrorist activity has been arrested, Russia's State Investigative Committee said on Wednesday.
The predominantly Muslim Central Asian states are seen as a prime recruiting ground for Islamic militants.
The Russian business daily Kommersant said that security agencies had learned of a terror plot in St. Petersburg from a Russian man affiliated with IS who had come from Syria.
Residents continued bringing flowers to the stations near the site of explosion. Every corner at the ornate, Soviet-built Sennaya Square station on Tuesday was covered with red and white carnations. However, the man knew little and they tried to learn more by tapping phones of his contacts, the newspaper said.
ST. PETERSBURG, Russia (AP) Investigators say they have searched the home of the suspected suicide bomber behind Monday's deadly explosion on the St. Petersburg subway.
Bayern breathe sigh of relief over Lewandowski injury ahead of Madrid clash
If Bayern can repeat one of their recent performances at the Allianz Arena, they'll go past Dortmund's 1.5 goals conceded per match average in away matches.
The decision to keep moving was praised by authorities, who said it helped evacuation efforts and reduced the danger to passengers who would have had to walk along the electrified tracks. "You begin to feel the thin line about life and death", he said.
His parents arrived Wednesday in St. Petersburg for questioning after being interrogated by Kyrgyz security services.
"We see that, unfortunately, the situation is not improving".
Health Minister Veronika Skvortsova said the toll from the blast had climbed from 11 to 14 Tuesday as three people succumbed to their injuries, adding that 49 more people remained in hospital.
No one has claimed responsibility for the bombing, but Russian trains and planes have often been targeted by Islamist militants.
Churches across the city held prayers for victims killed in the attack, including Irina Medyantseva, a 50-year-old artist who was locally famous for the dolls she made and sold.
Russia's anti-corruption agency said that those detained had been recruiting other Central Asian immigrants in St Petersburg "to carry out terrorist crimes" and join "illegal armed groups" such as Isis. Alexander Zhilkin, governor of the region, said the attackers are on the run.