SAO PAULO, July 19 (Xinhua) -- At least six people were killed in a collision involving two cars and a truck in southern Brazil's Rio Grande do Sul state, local media reported Friday.
The accident occurred at about 11:30 p.m. on Thursday local time on a highway near the city of Rio Pardo, when a car carrying six people crashed into the back of another vehicle, causing both to collide head-on with a truck, the lo
