Climate protesters are blocking lanes on Sydney’s Cahill Expressway near the southern pylon on the Harbour Bridge. 

Two people appear to have climbed onto the roof of a truck while another two are sitting on the road.

Police are on the scene.

#BREAKING: Protesters have once again brought peak-hour traffic to a standstill in Sydney after shutting down a lane on the harbour bridge.

One of the activists lit a flare. #9News

FULL VIDEO: https://t.co/5xEdqTvL9c pic.twitter.com/ujDdz6YuKG

— 9News Sydney (@9NewsSyd) April 12, 2022