Men armed with baseball bats attacked the campaign office of mayoral candidate Oleg Mitvol in Khimki, Moscow region.
"My campaign office has just been attacked. About 10 unmasked men crushed my office with baseball bats and tore off canvassing materials," Mitvol told Interfax on Friday.
He said there were people in the office at the time of the attack, but they hid and were not hurt.
"The police are working on the incident scene. My employees and I are giving testimonies," he said.
Mitvol said they had taken pictures and videos of the attack.
Interfax has not obtained comments from the police.
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