"This is a mockery of democracy and blatant misuse of state machinery by the Trinamool government. The Trinamool goons resorted to violence in full public view to threaten and scare voters," he told the media on the sidelines of a party programme at Khardah of North 24 Parganas district.
Yechury said bombs were hurled against opposition party workers and voters.
"There was massive booth capturing... total vote loot.
"This is Trinamool style of democracy," he added.
The elections were held on Sunday for four municipalities in northern Bengal hills -- Darjeeling, Kurseong, Mirik Notified Area Authority in Darjeeling district, and Kalimpong in Kalimpong district.
But the opposition ire has been directed to the manner of elections in three other municipalities - Raiganj in North Dinajpur district, Domkal in Murshidabad district, and Pujali in South 24 Parganas district.
Principal opposition parties, the Left Front, Congress and BJP, have demanded scrapping of the "farcical" elections amid alleged violence and booth capturing in three municipalities.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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Doraiah Chowdary Vundavally is a Software engineer at VTech . He is the news editor of SocialNews.XYZ and Freelance writer-contributes Telugu and English Columns on Films, Politics, and Gossips. He is the primary contributor for South Cinema Section of SocialNews.XYZ. His mission is to help to develop SocialNews.XYZ into a News website that has no bias or judgement towards any.