Suspicious fire causes $2m damage in WA

A suspicious fire at a Perth warehouse has caused damage estimated at up to $2 million.

Authorities were called to the structure fire at a warehouse on Pilbara Street in Welshpool about 10.30pm on Tuesday.

Arson Squad detectives will attend the scene on Wednesday, and police urge anyone with information to come forward, with rewards of up to $50,000 available for information that leads to the identification and conviction of an arsonist.