SAfm — The South African Civil Aviation Authority says it is investigating the possible cause of a helicopter crash which claimed the life of the pilot outside Cape Town. The chopper crashed into nearby power lines and landed on the grounds of Nomzamo High School in Lwandle. The N2 is closed between Onverwacht and Gordon's Bay due to the incident. Motorists have been asked to use alternative routes. Tsepiso Makwetla spoke to Western Cape Traffic Spokesperson Kenny Africa