India, Sept. 23 -- Torrential overnight rain left Kolkata paralysed on Tuesday, claiming at least four lives due to electrocution and throwing normal life out of gear as vast areas were submerged, transport services disrupted, and traffic brought to a grinding halt.

Commuters waded through waist-deep water in several parts of the city, while vehicles lay stranded on arterial roads. Metro services on a major stretch of the Blue Line were suspended, and train operations from Howrah and Sealdah were badly hit due to flooded tracks.

The victims were identified as Firoz Ali Khan (50) of Beniapukur, Pranatosh Kundu (62) of Netaji Nagar, Mumtaz Bibi (70) of Ekbalpur, and an unidentified man in Gariahat. "So far, we have information of four dea...