Female suicide bomber suspected in Moscow blast

Female suicide bomber suspected in Moscow blast "According to preliminary information, an explosive device equivalent to 500 grams to 2 kg of TNT was detonated," the source said adding that the bomb was detonated at a 100-120 centimeters height, at approximately chest level.

"Parts of the body found at the scene allow us to say that it was a woman," the source continued.

The source said that most of the victims of the blast were young people.Three bodies were retrieved from the building Saturday, while the fourth body — a woman — was found Sunday morning, the Moscow branch of the Emergency Situations Ministry said. Nine people were injured, a ministry spokeswoman told RIA-Novosti.