Roger Hallam and other eco-activists launched the protest, under the name Heathrow Pause, in a bid to close the transport hub and force the Government to abandon its plans for third runway.
Extinction Rebellion (XR) Scotland staged action at various locations on Saturday including Aberdeen, Shetland and Dundee as part of worldwide demonstrations.
The Extinction Rebellion protest in Melbourne involved a truck blockade which stopped three citybound lanes and caused a 30km traffic jam all the way back to the Princes Freeway
Amy Pritchard, 38, Stephanie Aylett, 29, Adelheid Russenberger, 32, Rosemary Webster, 66, and Pamela Bellinger, 66, used hammers and chisel to cause £350,000 worth of damage.