Senior TMC leader Abhishek Banerjee on Monday criticised the detention of party leaders by Delhi Police during their peaceful protest outside the Election Commission's office, denouncing it as a "black day in democracy." Banerjee, who led an 11-member TMC delegation to Raj Bhavan including senior leaders Sudip Bandyopadhyay, Bratya Basu and Sashi Panja, told reporters after meeting Governor C V Ananda Bose that the EC's role in the entire incident was "unfortunate and deplorable". Banerjee said the commission cannot evade responsibility for the unjust treatment of Bengal's representatives. "What happened in Delhi is a black day in democracy. None of our leaders, many of them MPs or former MPs, was carrying arms. Yet they were bodily lifted during the peaceful protest and bundled into waiting vehicles by Delhi Police. The poll panel cannot absolve its responsibility in the incident," he told waiting reporters outside Raj Bhavan. The delegation pressed upon the governor to step in an