Protesters Converge on Rio's Central Transport Station

A demonstrator throws rocks at police outside the central train station, during protest against the increase on bus fares in Rio de Janeiro, Feb. 6, 2014.

Seorang pemuda Mesir menyalakan tongkat api dalam sebuah demonstrasi mendukung Ikhwanul Muslimin di El-Mataria di Kairo. Demonstrasi ini memprotes hukuman 20 tahun penjara bagi mantan presiden Mohammed Morsi dan vonis-vonis lain terhadap para pemimpin Ikhwanul Muslimin.

A motorcycles passes a bonfire during a protest by members of the "Free Pass" movement to demand zero tariffs in the Brazilian public transport system in Rio de Janeiro, Feb. 6, 2014.

A demonstrator get ready to throw a tear gas grenade back to the police, outside the central train station, during protest against the increase on bus fares in Rio de Janeiro, Feb. 6, 2014.

A woman covers her face to protect herself against tear gas used by police during a protest against a bus fare increase in Rio de Janeiro, Feb. 6, 2014.

A firework explodes as members of the "Free Pass" movement invade the Central Train Station to demand zero tariffs in the Brazilian public transport system in Rio de Janeiro, Feb.6, 2014.