Ukraine president's office accuses Russia of attack on presidential website

KIEV (Reuters) - The office of Ukrainian President Petro Poroshenko accused Russia on Tuesday of carrying out an organised cyber attack on his website in response to Kiev's decision to impose sanctions against a number of major Russian internet businesses.

"We have been witnessing Russia's response to the presidential decree that mentioned closing access to Russian social media. The website of the president is affected by an organised attack," the deputy head of the presidential administration, Dmytro Shymkiv, said in a statement.