eto. we are driving through pepito's village now, but we have been advised not to actually get out and shoot, because tensions are incredibly high between those who want to protect the park and pepito's gang. a few days after the two brothers were detained, the unit got a new lead. and went after what they suspected was a third gang member. escaping, he ran over an eco guard station at this checkpoint. while the unit took the guard to hospital, the eco guard's camp was torched. the government has promised a response. one week later, the eco guard's remain on their own. arwa damon, cnn, republic of congo. >> and russia has launched a huge security operation around sochi today, one month from the start of the winter olympics. 30,000 police and troops will be on hand, access to the region is being limited. there will also be heavy surveillance, as well, from the air. thanks for watching "around the