Part of a bridge over Brazil's Moju River collapsed early Saturday, after a ferryboat collided with a bridge pillar.
Two cars were seen plunging into the river, but it's unclear how many people were in the vehicles with scuba divers searching the river.
The five crew on the ship are said to have survived.
The bridge, which connected one of the country's busiest ports, will potentially affect shipment of grains.
Pará governor Helder Barbalho has signed a state of emergency after the accident.
Hundreds missing after flash flood on Nepal-Tibet border, 157 bodies recovered
A huge wall of mud and rock collapsed into a river on the Himalayan border of Nepal and China's Tibet on Wednesday, triggering catastrophic flooding on the Nepali side that killed scores of people and left hundreds of tourists missing.
WHO says Ebola outbreak in Uganda is over, as cases rise in Congo
The outbreak of the Bundibugyo strain of Ebola in Uganda is over but it is not under control in neighbouring Democratic Republic of the Congo, a World Health Organization official told a briefing on Wednesday.
At least 14 infants killed in Islamabad hospital fire
At least 14 infants were killed in a fire at a state-run hospital in Pakistan's capital Islamabad on Wednesday, the prime minister said, with the health minister attributing the tragedy to a blast in the nursery ward.
US says Chinese hackers broke into Justice Department, NASA and more
The United States said Wednesday that it had disrupted a Chinese hacking operation responsible for break-ins at the US Justice Department, NASA, the Federal Reserve, the US Senate, and other sensitive government agencies.
US military says it struck vessel in the Caribbean, killing four
The US military said on Tuesday four people have been killed in a strike on a vessel in the Caribbean, the latest in a series of attacks that Washington says target "narco-terrorists" but human rights groups condemn as extrajudicial killings.
