By: Priyanka Gupta & Sougata Mukhopadhyay
CNN-IBN
Last Updated: February 28, 2013, 08:59 IST
At least 20 people died in the Kolkata fire tragedy on Wednesday and a political blame game between the Trinamool Congress and the Left ensued. West Bengal Chief Minister Mamata banerjee said people should be responsible for their own safety.