A bridge linking two northern states in Brazil collapsed, sending cars and trucks plunging into the river below. A sulphuric acid spill is complicating the rescue operation.

At least four people are dead, more than 10 still missingafter a bridge collapses over Brazil’s Tocantins River:::: Maranhao, Brazil:: Magnum Coelho, Fire Brigade Colonel“We are waiting for specific institutions to collect and analyze the water so that we,

At least one person died in the collapse, which happened as a city councilman who had complained about the bridge's problems was shooting video.

Brazilian authorities are investigating after a bridge collapsed Sunday, killing at least four people and sending trucks loaded with sulfuric acid and pesticides plunging into a river, raising concerns about water contamination.

Lorries containing pesticides and sulphuric acid plunged into the Tocantins river in the north of the country.