Ten people were injured in southern Mexico after an attempt to attack the Coca-Cola company's offices in the southern state of Guerrero.
The violence occurred in the state capital of Chilpancingo late Wednesday.
The Guerrero state government said protesters tried to attack the Coke offices "to damage the facilities."
It said the demonstrators, including teachers' college students and unionized teachers, threw gasoline bombs, and a state police officer was burned.
Three other policemen were injured, along with two reporters and four protesters.
The demonstrators briefly took two company employees hostage. The Coca Cola Femsa company — Mexico's largest . . .