He told a meeting of lawmakers from NATO member states that the issue "will stay on the political agenda in the times to come."
NATO recently sent experts to Estonia to combat the attacks.
Estonia says the attacks came from Russia after Estonia's recent relocation of a monument to Soviet troops in Tallinn.
(AFP)
NATO recently sent experts to Estonia to combat the attacks.
Estonia says the attacks came from Russia after Estonia's recent relocation of a monument to Soviet troops in Tallinn.
(AFP)
RFE/RL Russia Report
RFE/RL Russia Report