Three people were killed and three others were injured after a vehicle pileup amid heavy fog in southwest China's Guizhou Province on Sunday afternoon.
　　A trailer crashed with a pickup truck at a section of the Guiyang-Zunyi Highway at about 3 p.m., killing the three passengers in the truck, a provincial traffic police official said.
　　At least six traffic accidents had happened and 20 vehicles piled up on the highway on Sunday afternoon. Another three passengers were injured.
　　Traffic police attributed the accidents to the heavy fog.