Police are investigating what role a bus played in a double fatality in Kingsgrove in Sydney's south.
A scooter rider and his pillion passenger were killed after colliding with a vehicle on Kingsgrove Road around 8:20pm on Monday night.
A bus travelling in the same direction sustained damage to its front right corner.
The drivers of the bus and car weren't injured, with both taken away for mandatory testing.
Officers from St George Police Area Command and Metropolitan Crash Investigation Unit attended the scene and have commenced inquiries.