A man climbed the iconic Sydney Harbour Bridge at 4:30am on Wednesday morning, Sydney time, causing huge traffic jams across the Sydney CBD as police attempted to talk him down.
The man was spotted wearing headphones as he climbed up into the steel cage of the bridge.
Northbound traffic was queued up back to Ryde on Victoria Road, while southbound traffic was queued up back to North Epping, according to the NSW Traffic Management Centre.
Some of the lanes on the bridge had to be closed, the speed limit was reduced to 40 kilometres per hour, and New South Wales Police advised commuters to instead use the Gladesville Bridge or the Victoria Bridge as an alternative way to get in or out of the Sydney CBD.