Qantas flight attendent orders Justin Bieber to behave

Singer Justin Bieber has been involved in an incident aboard a Melbourne bound flight this afternoon.

Qantas cabin staff had to order Bieber and one of his security guards to take their seats after they started roaming the plane while it began taxiing at Sydney airport.

The Qantas flight attendant told Bieber that his behaviour was a security risk and that he had been acting like a child and