A man's been arrested after an Auckland rush-hour publicity stunt - mental health experts say was reckless and traumatising

The 57-year-old suspended himself in a harness from the Southern Motorway's East Tamaki overbridge, to raise suicide awareness.

Commuters saw him throwing white objects, and traffic backed up for nearly six-kilometres.

Inspector Danny Meade says many commuters were no doubt affected by the disturbing sight - and it's lucky no one was injured.
The man's being spoken to and charges are being considered.