"Along the line of contact in Nagorno-Karabakh and along the corridor connecting Nagorno-Karabakh with the Republic of Armenia, a Russian peacekeeping contingent is deployed," RIA Novosti quotes Putin's statement.
Earlier, the leaders of Russia, Armenia and Azerbaijan signed a joint statement on a ceasefire in Karabakh.
As Putin said, it starts on November 10 at 00:00 Moscow time, Azerbaijan and Armenia stop at their positions.