Nobody, however, was injured in the incident, they said.
The water reservoir on the terrace, fourth floor of an old building on Cossipore Road in Sithi area fell down late this evening, an officer of Kolkata Police said.
"A portion of the terrace was also damaged during the incident. The reservoir was full of water when it fell down on the adjacent road of the building. Luckily nobody was injured in the incident," the officer said.
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