Kolkata, June 25 -- West Bengal minister Dilip Ghosh on Thursday said "big political names" may be connected to the collapse of an under-construction godown shed in Kolkata's Taratala area, as he targeted the previous Communist Party of India (Marxist) and Trinamool Congress governments over alleged corruption.

The incident on Wednesday killed 5 people and left 20 injured.

As three persons, including a building supervisor and two labour suppliers, were arrested in the case, Ghosh suggested that there may be "big political names" connected to the under-construction godown shed.

"An inquiry will be done into the corruption, and the culprits will be punished. Our government has started this work; no one will be spared. Not just four peopl...