New Delhi, April 30 -- The Election Commission of India (ECI) on Thursday issued a clarification hours after Trinamool Congress (TMC) leaders staged a sit-in protest outside Khudiram Anushilan Kendra in north Kolkatta where EVMs have been stored after the voting.

This came after West Bengal Chief Minister and TMC supremo, Mamata Banerjee, urged party workers, leaders, and polling agents to maintain a 24-hour vigil over strongrooms housing electronic voting machines (EVM), ANI reported.

Issuing clarifications, ECI officials said that, with reference to the video being circulated on social media handles:

1. There are 7 assembly constituency strong rooms inside the Khudiram Anushilan Kendra.

2. They have all been duly closed and sealed i...