"Eight more bodies from different locations in the river were recovered and the toll has now gone up to 22. Of these, 17 are males and five females," said Satish Bagal, Resident Deputy Collector of Raigad district.
A fresh search operation, involving multiple agencies and local divers, will be launched tomorrow morning, he said.
The tragedy occurred on Tuesday night at Mahad, about 170km from here, when two state-run buses and some private vehicles fell into the swollen river following collapse of a British-era bridge on Mumbai-Goa Highway.
Six of the deceased belonged to Mumbai and its neighbouring suburbs of Virar and Nalasopara, while five hailed from Chiplun town in Ratnagiri district, he told the media.
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The bodies of Shrikant Kamble, the driver of Jaigad- Mumbai bus, and Prabhakar Shirke, the conductor of Rajapur- Borivili bus, have also been recovered, the official said.
Two of the deceased - Shewanti Mirgal and Sampada Vaze - were travelling in a private Tavera vehicle.
Divisional Commissioner Tanaji Satre and Guardian Minister of Raigad district Prakash Mehta supervised the search operation, said Bagal.
The local police were providing all logistical and technical support to the jawans, he said.
Another senior police official said some of the bodies were recovered as far as about 120km from the mishap site. He said the search operation will continue till the remains of the buses and other vehicles are found.
"We have extended the area of search operation and alerted local residents and appealed them to inform us if they spot anything floating in the water," he said, adding heavy rains were hampering the exercise.