"There is a master plan and the three-pronged attack is part of that," said a source in the government.

"The manner in which the three events are playing out in Bengal has fed the state government's suspicion that the ruling party at the Centre wants the unrest to continue.

"A Facebook post triggered the problems in Baduria in North 24-Parganas. After some efforts, we could restore peace in the area.... But today, the problem spread to Basirhat town (15km away) and nine Trinamul party offices were burnt. BJP leaders are planning to visit the area tomorrow. Why? To create more tension?" asked a source close to chief minister Mamata Banerjee. The chief minister today appealed to all political parties to steer clear of the troubled spots till normality returned.

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