The head of the Moscow police force says the suspects in a fatal bomb attack at a city market on August 21 have been linked to past explosions. Police chief Vladimir Pronin accused the three university students being held in connection with the market bombing of also orchestrating at least eight prior bomb blasts. Police have identified the suspects as Oleg Kostyrev, Ilya Tikhomirov, and Valery Zhukovtsov. Full Story