sentences:  The operation by the Russian Spetsnaz special forces in Tsostin-Yurt, a large village near Argun south-east of the Chechen capital of Grozny, started on December 30, 2001.Reportedly, an armed conflict broke out and resulted in a disputed number of deaths among combatants and civilians, as well as 11 forced disappearances.The Russian casualties included at least two commandos killed and 11 wounded.