KUALA LUMPUR   -   Two people were killed when a pair of helicopters from the same Malaysian pilot school collided during a training flight, authorities said Sunday. Amateur video that has gone viral on the internet showed one helicopter falling into a wooded part of Kula Lumpur, while the other managed to land safely in a school field. The transport ministry said both helicopters had taken off Subang Airport for a regular training session. "Tragically... two crew members had perished in the crash," Transport Minister Wee Ka Siong said in a statement. He said an investigation had been launched. Helicopter flying as a hobby is gaining popularity among affluent Malaysians.