The late president Boris Yeltsin ordered the counter-terrorist operation in 1999 . Chechnya declares end to 10-year anti-terror `` operation '' in Russia . two of troops could be withdrawn from Muslim -majority region . Former president Boris Yeltsin 's ordered the counter-terrorist operation in April 16 .
Chechnya declares end to 10-year anti-terror `` operation '' in Russia . two of troops could be withdrawn from Muslim -majority region . Former president Boris Yeltsin 's ordered the counter-terrorist operation in April 16 .