ROSTOV-ON-DON, Russia - Russian security forces killed an alleged top aide to radical Chechen rebel leader Shamil Basayev after he put up armed resistance to arrest, the Federal Security Service said Friday. Akhmed Sambiyev, known as the "White Arab," was killed late Thursday in a confrontation with police and security service officers in a private house in Ingushetia, a southern Russian region bordering on Chechnya, said Yuri Smolyaninov, a spokesman for the Ingush branch of the security service. Three security force officers were wounded in the operation to capture him in the Ingush city of Nazran, Smolyaninov said. Earlier, the...