A seven-year-old boy is feared drowned in a swelling creek at Kalwa in Maharashtra's Thane district on Wednesday, an official said.

A frantic search is underway for Rishi Usva, a resident of Nagsen Nagar, who accidentally fell into the flooded water body around 5.30 pm, said Avinash Sawant, the chief of the regional disaster management cell of the Thane Municipal Corporation.