[BBC] A suspect accused of helping to prepare the St Petersburg metro bombing has been detained near Moscow, Russian security officials say.Abror Azimov, who was born in 1990 and is from Central Asia, was held in Odintsovo district west of the capital.
He is the ninth person to be detained in connection with the attack, which killed 14 and maimed more than 50 earlier this month.
It was carried out by Kyrgyz-born Russian Akbarzhon Jalilov, 22.
Abror Azimov is believed to have trained Jalilov ahead of the suicide kaboom, Russia's Tass news agency reported.
He was carrying a pistol and a package containing two smartphones at the time of his arrest, reports said.
| Smartphones? More arrests to come, then. |