Tasso Marcelo / AFP - Getty Images
Two demonstrators hug each other tightly as they are surrounded by riot police using tear gas during a student protest in Rio de Janeiro on Thursday.
Thousands of people took to the streets of Brazil's two biggest cities to protest 10-cent hikes in bus and subway fares.
-- Agence France-Presse, The Associated Press
Police in Brazil fire rubber bullets and tear gas at demonstrators who are angry about an increase in bus, train and subway fares. NBCNews.com's Dara Brown reports.
Nicolas Tanner / AP
People protest the increase in bus and subway fares in Rio de Janeiro on June 13, 2013.
Nelson Antoine / AP
Police fire rubber bullets at demonstrators protesting a price increase for public transportation in Sao Paulo on June 13, 2013.
Previously on PhotoBlog: Amorous protesters, lost in the heat of Vancouver riots