Nazi -Russia attack Estonia
"Many of the attacks have come from Russia and are being hosted by Russian state computer servers, Tallinn says.
It wants to put the issue at the top of Friday's EU-Russia summit agenda. Moscow denies any involvement.
Estonia says the attacks began after it moved a Soviet war memorial in Tallinn. The move was condemned by the Kremlin.
The memorial's removal also triggered riots amongst mostly ethnic Russian living in Estonia, during which one person was killed and more than 150 injured.
Estonians say the memorial symbolised Soviet occupation of the Baltic state. Russians say it is a tribute to those who fought the Nazis. "
BBC NEWS | Europe | Estonia hit by 'Moscow cyber war'