A woman shouts asking for help during an eviction in Rio de Janeiro, Brazil, Friday, April 11, 2014. Squatters in Rio de Janeiro are clashing with police after a Brazilian court ordered that 5,000 people be evicted from abandoned buildings of a telecommunications company. Officers have used tear gas and stun grenades to try to disperse the families. (Photo by Silvia Izquierdo/AP Photo)

Riot police use tear gas to get people to leave the area in Rio de Janeiro, Brazil, on April 11, 2014. (Photo by Ana Carolina Fernandes/Reuters)

A riot policeman arrests a demonstrator in Rio de Janeiro, Brazil, on April 11, 2014. (Photo by Sergio Moraes/Reuters)

A man carries belongings as riot police move into the area in Rio de Janeiro, Brazil, on April 11, 2014. (Photo by Ana Carolina Fernandes/Reuters)

People watch a bus burn after it was set on fire near the area recently occupied by squatters in Rio de Janeiro, Brazil, on April 11, 2014. Squatters in city are clashing with police after a Brazilian court ordered that 5,000 people be evicted from abandoned buildings of a telecommunications company. Officers have used tear gas and stun grenades to try to disperse the families. (Photo by Felipe Dana/Associated Press)

A firefighter enters an area occupied by squatters during an eviction in Rio de Janeiro, Brazil, Thursday, April 10, 2014. Squatters in Rio de Janeiro are clashing with police after a Brazilian court ordered that 5,000 people be evicted from abandoned buildings of a telecommunications company. Officers have used tear gas and stun grenades to try to disperse the families. (Photo by Silvia Izquierdo/AP Photo)

A woman carrying a baby, reacts during an eviction in Rio de Janeiro, Brazil, Friday, April 11, 2014. (Photo by Silvia Izquierdo/AP Photo)

A woman affected by tear gas lies on the ground during an eviction in Rio de Janeiro, Brazil, Friday, April 11, 2014. (Photo by Silvia Izquierdo/AP Photo)

A man runs while he carries two children during an eviction in Rio de Janeiro, on April 11, 2014. (Photo by Silvia Izquierdo/Associated Press)

Police clash with protesters in Rio de Janeiro, Brazil, on April 11, 2014. (Photo by Reynaldo Vasconcelos/Código 19/Estadão Conteúdo)

A woman screams after being detained during protests near the area recently occupied by squatters in Rio de Janeiro on April 11, 2014; she was later released. (Photo by Felipe Dana/Associated Press)

An abandoned building that was occupied by squatters was set on fire after police entered to evict them in Rio de Janeiro, Brazil, on April 11, 2014. The lot, owned by a telephone company, included offices and warehouses and was occupied last week. (Photo by Yasuyoshi Chiba/AFP Photo)

Men throw stones at police that entered an abandoned building occupied by squatters to evict them in Rio de Janeiro, Brazil, on April 11, 2014. (Photo by Yasuyoshi Chiba/AFP Photo)

Squatters occupying an abandoned building argue with riot police sent to evict them in Rio de Janeiro, Brazil, on April 11, 2014. (Photo by Yasuyoshi Chiba/AFP Photo)

Squatters who were occupying an abandoned lot leave carrying their belongings after being evicted by police in Rio de Janeiro, Brazil, on April 11, 2014. (Photo by Yasuyoshi Chiba/AFP Photo)

A woman protests when a relative (L) is arrested by police, sent to evict squatters who were occupying an abandoned lot in Rio de Janeiro, Brazil, on April 11, 2014. The lot, owned by a telephone company, included offices and warehouses and was occupied last week. (Photo by Yasuyoshi Chiba/AFP Photo)

A woman sits on debris from makeshifts homes after an eviction in Rio de Janeiro, Brazil, Friday, April 11, 2014. Squatters in Rio de Janeiro are clashing with police after a Brazilian court ordered that 5,000 people be evicted from abandoned buildings of a telecommunications company. Officers have used tear gas and stun grenades to try to disperse the families. (Photo by Silvia Izquierdo/AP Photo)