New bomb attack against Nevsky Express train

On 27 November 2009 a bomb exploded under a high speed train Nevsky Express travelling between the Russian cities of Moscow and Saint Petersburg causing derailment near the town of Bologoye, Tver Oblast (approximately 200 miles or 320 km from Moscow), on the Moscow–Saint Petersburg Railway. The derailment occurred at 21:34 local time.

Russian officials had stated that 39 people were killed and 95 injured but later retracted the death toll, with 27 deaths reported as of December 2. A second bomb exploded at the scene of the investigation the following day, injuring one. The Nevsky Express was carrying 661 passengers in 13 carriages, of which the last four were thought to have been affected by the incident.

Memories of that incident were sharply reawakened at 2137 local time on 27 November, 2009, as the Nevsky Express was derailed again, this time with major loss of life.

Responsibility for the attack had first been claimed by far-right nationalists[25], then by the Caucasian Mujahadeen on orders from Dokka Umarov.

The attack on the Nevsky Express, a luxury train popular with government officials, tourists and business executives, was Russia's deadliest terrorist strike outside the volatile North Caucasus region since 2004.

Evidence linked to the train explosion was found during an investigation that took place following a raid on suspected rebels on 2-3 March 2010, in which close associate of Umarov, Said Buryatsky, along with 7 other suspects were killed. Additionally, according to Bortnikov, bomb material "identical" to what was used in the 2007 train attack had also been uncovered during the raid.

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