Jack Gibson-Burrell’s alleged latest move – scaling a 120-metre pillar to paint his trademark bird on the Bolte Bridge – is his most audacious yet.

An intruder has refused to come down from the massive structure after spray-painting the infamous tag, triggering a lane closure and morning peak delays.

An intruder has refused to come down from the massive structure after spray-painting the infamous tag, forcing police to close a lane of traffic ahead of the morning peak.