A thunderstorm, accompanied by a light rainfall, lashed the city late on Thursday night. It is the first thunderstorm of the season, bringing some relief to Kolkatans, and caused a drop in the night temperature.
A woman, aged about 45 years, was seriously injured when the guard rail of the Metro Rail fell on her at Kadapara, near Salt Lake City.
The meteorological office forecast that Friday would see development of thunderclouds in some places, but the sky would largely remain clear.
“A low-pressure trough has formed over the coastal areas of West Bengal and Odisha. This will trigger light rain in a few districts of West Bengal —Purulia, Bankura and West Midnapore — in the next 48 hours,” GC Debnnath, regional director of the met department, said.