Explosion on Metro train in Russian city of St Petersburg

At least 14 killed and dozens injured by 'briefcase' bomb

Kyrgyz-born Russian citizen named as suspect

Blast reported to have been caused by shrapnel-filled device

Another unexploded bomb deactivated at another station

Putin was in city for meeting with Belarusian counterpart

Everything we know so far about the St Petersburg explosion

The likely suspect in the deadly blast in the Russian city of St Petersburg is a Kyrgyz-born Russian citizen, investigators have said.

Russia's Investigative Committee said on Tuesday that Akbarzhon Jalilov, born on April 1, 1995, was the attacker behind the blast that killed 14 people Monday afternoon.

Jalilov also planted an unexploded device that was found and defused at another metro station shortly after the blast, the Investigative Committee said in a statement.