Chechen rebel leader Basayev killed: Tass July 10, 2006 MOSCOW (Reuters) – Russia’s most wanted man, Chechen rebel leader Shamil Basayev, has been killed, the country’s state security chief has told President Vladimir Putin, Itar-Tass news agency said on Monday. Basayev, who claimed responsibility for the 2004 Beslan school attack in which more than 330 died, half of them children, and a string of other attacks, was killed together with other Chechen fighters, Nikolai Patrushev told Putin.