Thousands of South African truck drivers, who are on strike over wages, protested on Tuesday. The leaders of the protest said that they expected to demonstration to remain peaceful. Tensions around worker demonstrations are high after police killed 34 striking mine workers in August, and miners around the country remain on strike. The truck drivers' demonstration is expected to have a large police presence. The workers are asking for a 12% pay increase.
See "South African truck drivers gather to stage massive protest in Johannesburg amid labor unrest", The Associated Press, The Washington Post, October 1, 2012