Update: Train Derailed by Homemade Bomb – Says Security Chief of Russia!

A homemade bomb is responsible for Friday’s deadly train crash, according to Russian Security chief Aleksandr Bortnikov. “Preliminary evidence suggests that it was an explosion of a homemade device, equivalent of seven kilograms of TNT,” said Russian Federal Security Service chief Aleksandr Bortnikov. A spokesperson for the Russian Investigative Committee, Vladimir Markin, added some more