These are the first images of the carnage inside the St Petersburg metro trarin blown up by a suicide bomber named today as a Russian citizen from former Soviet state Kyrgyzstan.
At least 11 people were murdered and 50 injured in the blast and horrifying pictures show bodies, blood and wreckage strewn across the carriage of the train blown up between Sennaya Ploshchad and Sadovaya metro stations in Russia's second city.
Russian citizen Akbarzhon Jalilov, 22, who was born in Kyrgyzstan, has been named by security services as the suspected suicide bomber who also planted a second device hidden in a fire extinguisher that failed to explode.