The massive protest, the largest since the 2003 Iraq war demonstrations, defied attempts to ban it by the NSW Labor government and the police.

The march on Sydney Harbour Bridge over the weekend has further fuelled political debate over Australia's position and response to ongoing humanitarian situation in war-ravaged Gaza.

SYDNEY, Aug 3 (Reuters) - Tens of thousands of demonstrators braved pouring rain to march across Sydney's iconic Harbour Bridge on Sunday calling for peace and aid deliveries in the war-torn Gaza Strip, where a humanitarian crisis has been worsening.