 In October 1999, after a string of four apartment bombings for which Russia blamed the Chechens, Russian ground forces invaded Chechnya, starting the Second Chechen War.After the Russian victory, Dagestan has been a site of an ongoing, low-level insurgency, which became part of the new Chechen War.This conflict between the government and the armed Islamist underground in Dagestan (in particular the Shariat Jamaat group) was aided by the Chechen guerrillas.