The TV News in Brisbane tonight said that it was 2 Jetstar Aircraft, one in the new colours and one still in the old (Qantas) colours.
Yes, the passengers on the News made it sound very dramatic, however even allowing for their over stating of it, it would appear that we will hear more about it.
They said that the ATSB has demanded reports from both Crews and the relevant ATC in the next 72 hours.