A SUSPICIOUS fire has caused extensive damage to a home in Clow Street, Dandenong.
A witness spotted the blaze about 10.30pm on Saturday 7 November and called the CFA.
Firefighters attended and extinguished the fire.
Greater Dandenong CIU Detective Senior Constable Marisa Owens said the house was vacant at the time of the fire.
She urged anyone with information to call Crime Stoppers on 1800 333 000.