Massive cyberattack hits Ukrainian government websites as West warns on Russia conflict3Photo© thequint.com

Massive cyberattack hits Ukrainian government websites as West warns on Russia conflict

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A massive cyberattack warning Ukrainians to "be afraid and expect the worst" hit government websites late on Thursday, leaving some websites inaccessible on Friday morning and prompting Kyiv to open an investigation.

Ukraine's foreign ministry spokesperson told Reuters it was too early to say who could be behind the attack but said Russia had been behind similar strikes in the past.

The cyberattack, which hit the foreign ministry, the cabinet of ministers and the security and defence council among others, comes as Kyiv and its allies have sounded the alarm about a possible new Russian military offensive against Ukraine.