The St Petersburg metro explosion was caused by a bomb possibly detonated by a man whose body parts were found on the train, Russian investigators say.
The blast between two metro stations on Monday killed 14 people and injured 49.
The St Petersburg metro explosion was caused by a bomb possibly detonated by a man whose body parts were found on the train, Russian investigators say.
The blast between two metro stations on Monday killed 14 people and injured 49.