Residents of Rio's ultra-violent slums bought their protest to the glitzy beach on Sunday in a desperate bid to bring an end to lethal shootouts between drug traffickers and police.
As well as being a major center for international drug smuggling, Brazil has a massive domestic drugs market and the city's hillside favelas often bear the brunt of its associated violence.
Sunday's demonstrators asked Rio's rich and powerful to stop looking away from the almost daily shootings of innocent people in military-style police operations.
"We deserve to live without fear of dying," one of their posters read.
Mother and daughter killed
The protest was organized after a mother and daughter were killed in a police shootout in Morro da Mangueira favela on Friday, local daily O Dia reported. The 76-year-old mother was reportedly struck when she left the house and her daughter was shot as she tried to rescue her mother. A man was also injured and taken to hospital by residents.
"Coming here is the only way we can get the attention of the authorities," Jacare favela resident Sergio da Silva told news agency AFP outside the iconic Copacabana Palace hotel.
"People have a lot of difficulties. It's hard on the children. There are shootouts and people are shot," he said. "There are a lot of children who are lost to the drug traffickers and to using drugs."
"There is no investment in the favela. Only the police come in," Washington Fajardo, president of the Mangueira Residents Association, told local daily Extra.
Drug traffickers control swaths of the poor, largely unregulated shantytowns that are dotted around Rio and house almost a quarter of its population.
Police periodically mount raids, and when firefights ensue, stray bullets can tear through densely populated areas.
Read more: Rio's gang-fighting security chief resigns
Amnesty International and other rights groups have accused police of using torture and extrajudicial killings, but police advocates say officers themselves face huge peril.
Corruption and lack of services
Corruption also handicaps efforts to bring down traffickers. Last week, arrest warrants were issued for nearly 100 officers accused of taking bribes from drug dealers, providing protection to them, or even renting them weapons.
Favela residents say they are victimized not just by physical danger but by the lack of decent education and basic services, such as sewage treatment.
"Teachers don't want to work there because there is shooting all the time," said recent graduate Matheus Concesao, 20, from Cidade de Deus, speaking with AFP.
"You have to think of violence in its wider sense," Marcos Valerio Alves, the head of the Alemao favelas association, told AFP. "A lack of kindergartens is a kind of aggression, a lack of sewage treatment is a form of aggression. So is not having work or education or pastimes."
"Political parties should look at us through different eyes."