Arson squad detectives investigating a fire that damaged machinery at the Golden Bay sand dune protest site have uncovered a can and flare.
Arson squad detectives are continuing their investigation into the incident on Wednesday night when earth moving equipment was set on fire, causing over $400,000 damage.
Part of the investigation uncovered a can and flare.
Demonstrators had been at the Damper Drive site for several days protesting the bulldozing of sand dunes to make way for a housing development.
Anyone who recognises the items or has information about the items is asked to call Crime Stoppers on 1800 333 000 or report online to www.crimestopperswa.com.au
Rewards of up to $50,000 are available for information that leads to identification and successful prosecution of any person convicted of an arson offered.
Flare part. PIC: Supplied
Early voting for Secret Harbour by-election begins Monday
Welfare concerns for missing Swedish national last seen in Warnbro
Wanted man last seen in Golden Bay
Passenger critically injured in West Pinjarra crash
Unregistered painter fined for requesting hefty deposit from Singleton homeowner and not doing the job
Police hunt driver following dangerous Baldivis pursuit
Welfare concerns for boy last seen at Port Kennedy skate park
Rubbish truck catches fire in Baldivis
Driver injured in bus crash in Rockingham