Safety regulators launched an investigation on Sunday into a “near collision” between two passenger aircraft at Australia’s busiest airport that injured a crew member.The incident, which involved a Jetstar pilot being forced to apply sudden brakes to avoid crashing into a Qatar Airways jet on Sunday morning, disrupted operations at Sydney airport.The Australian Transport Safety Bureau (ATSB) said a Jetstar Airbus A320 was taxiing for a flight to the Gold Coast on Sunday morning when its crew...