Security Another Challenge News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Would be ready for competition. >> we have been given reassurance the venues will meet the level of sustainability. >> she also said inspectors were pleased with progress on construction but noted the fast pace has to be maintained. >> an example of where this entire city will be visible is with the venues where sites like the golf course sites like equestrian cross country have very aggressive time lines. >> reporter: security another challenge. here special forces train for potential terrorist attacks on a bus line. really high crime and violence remain the biggest threats in rio. it's not c...

Time lines. >> reporter: security another challenge. here special forces train for potential terrorist attacks on a bus line. really high crime and violence remain the biggest threats in rio. it is also not clear if the subway extension connecting venues will be done on time but rio officials are confident they will meet the targets and visitors will be won over by the city's natural beauty and charming residents. shaps shasta darlington cnn, rio de janeiro. >> will rio be ready? we will have to wait and see. thank you for joining us. i'm george howell. stay with us. we will have more from mos...