Today marks the first day of the Land Forces International Land Defence Expo, which was previously held in Brisbane. 

The expo highlights the latest in weapons and technology, attracting hundreds of international defence personnel.

Chaos in Melbourne as anti-war protestors descend on Land Forces weapons expo

Demonstrators have hurled poo and rocks as thousands swarm the Melbourne CBD over a weapons expo

Mounted police have been hit with projectiles outside the Melbourne Convention and Exhibition Centre, just before the opening of a major weapons expo