At least 22 people are missing after a highway bridge connecting the city of Mumbai with the beach resort state of Goa in western India collapsed.
Officials said two buses carrying passengers plunged into a flooded river after the collapse early on Wednesday.
Police officer Sanjay Patil told the Associated Press that rescuers had not spotted any vehicles or survivors.
Heavy rains are hindering rescue operations. Traffic has been diverted to a new bridge in the area.
OP Singh, chief of the state-run National Disaster Response Force, said 80 rescuers, including divers, had been rushed to the area.
He said early reports indicated that at least two buses, travelling on the old bridge, fell into the Savitri river which was flooded by heavy monsoon rains.
"The buses are not traceable within a kilometre of the bridge. Due to downstream current, the buses may have been swept further away," Rakesh Ranjan of the National Disaster Response Force told the BBC.
In March, a flyover under construction in the city of Kolkata (Calcutta) collapsed, killing at least 20 people and injuring nearly 100.
And in 2011, some 32 people died and 132 were injured after a bridge collapsed at a political event in Darjeeling in West Bengal.
By: BBC News (India).
Photo 1: Indian Express.
Photo 2: India Today.
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