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An employee sits next to a payment terminal out of order at a branch of Ukraine's state-owned bank Oschadbank after Ukrainian institutions were hit by a wave of cyber attacks earlier in the day, in Kiev, Ukraine, June 27, 2017. REUTERS/Valentyn Ogirenko

(reuters_tickers)

KIEV (Reuters) - Ukraine's state security service (SBU) seized equipment it said belonged to Russian agents in May and June to launch cyber attacks against Ukraine and other countries, the SBU said in a statement on Friday.

"Law enforcement officers seized server equipment that was involved in the cyber attack system by Russian secret services," the SBU said, adding that investigations were ongoing.

A cyber attack that began in Ukraine spread around the world on Tuesday, knocking out thousands of machines, shutting down ports, factories and offices as it hit around 60 countries.

Ukrainian politicians were quick to blame Russia, but a Kremlin spokesman dismissed "unfounded blanket accusations".

(Reporting by Pavel Polityuk; writing by Matthias Williams, editing by Ed Osmond)

Reuters