Brazilian Security Forces Enter Rio Slum District In Armoured Vehicles In Effort To Neutralise Gangs The operation is part of plans to try and make the city more secure before the World Cup. Richard James BuzzFeed Staff posted about 6 months ago Follow 1. Over 1,400 Brazilian marines and police officers entered a huge complex of slums in Rio de Janeiro on Sunday. View this image › AP Photo/Silvia Izquierdo 2. The armed operation is the latest security push by authorities in Brazil ahead of the World Cup this summer. View this image › AP Photo/Leo Correa 3. More than 130,000 people are believed to live in the Complexo do Mare, which consists of 15 slums and has been ruled by drug trafficking gangs for years. View this image › Sergio Moraes / Reuters 4. Brazilian officials are keen to prevent violence in Rio’s favelas disrupting the World Cup, which starts on June 12. View this image › Sergio Moraes / Reuters 5. At the weekend, armed officers and soldiers began patrolling the 5-square-kilometre complex. View this image › Sergio Moraes / Reuters 6. The plan is to set up permanent posts in Mare as part of a “pacification” programme, which started in 2008 and officials hope will make Rio more secure before the World Cup this year and the Olympics in 2016. View this image › AP Photo/Silvia Izquierdo 7. Complexo da Mare is near Rio’s international airport, meaning visitors will pass near the slums on their way into the city centre. View this image › Ricardo Moraes / Reuters 8. The latest operation comes in what is reported to be a “critical” time for the security effort. View this image › Sergio Moraes / Reuters 9. Gangs have attacked police outposts in other shantytowns in recent months. View this image › Sergio Moraes / Reuters 10. The gang leaders are hoping to disrupt the police operations. View this image › Sergio Moraes / Reuters 11. So far the pacification has seen some success, with the amount of violence in the slums said to be down. View this image › Sergio Moraes / Reuters 12. However, there have been complaints of heavy-handed tactics by the authorities. View this image › AP Photo/Silvia Izquierdo 13. Over 20 officers who patrolled Rio’s largest slum Rocinha are now facing charges for the torture, disappearance, and presumed death of a slum resident they were questioning. View this image › AP Photo/Silvia Izquierdo 14. There have also been complaints the authorities are not following up the police posts in the slums with social programmes to help improve the lives of the residents. View this image › AP Photo/Felipe Dana Check out more articles on BuzzFeed.com! More ▾ Next On BuzzFeed uk › 27 Devastating Birmingham Problems Next On BuzzFeed uk › What Does Your McDonald's Order Say About You?