This report examines military airstrikes and ground operations that Russia launched against its Chechnya region in late September 1999. It provides background information on earlier Chechen guerrilla attacks on the neighboring Dagestan region of Russia and on the unsolved terrorist bombing of several apartment buildings in Russia. Current problems of governance in Chechnya are discussed, as well as Chechnya’s response to the Russian offensive. The concerns of the United States and other Western governments about the conflict are examined. A map is included. This report supersedes CRS Report RS20358, Chechnya Conflict.