A man accused of throwing a homemade bomb into a crowd of people at an Invasion Day rally in Perth has had his identity suppressed in court over safety fears.

Noongar elder Herbert Bropho was addressing the crowd at the ‘terrifying’ moment alleged device landed on stage

A 31-year-old man is charged with making explosives in suspicious circumstances after a device was allegedly thrown into a crowd of hundreds of people attending an Invasion Day rally in central Perth yesterday.

Chilling new allegations have been made about the potentially deadly device that was designed to explode on impact.

Authorities have confirmed the alleged throwing of a homemade bomb into an Invasion Day rally crowd in Perth is being treated as a ‘potential terrorist act’.