Police are investigating after fires after cars and a boat were set on fire in Perth's northern suburbs this morning.
A $40,000 boat was completely burnt out on Federal Street, Tuart Hill after arsonists set it alight at about 3.25am.
The fire also damaged a nearby power pole.
On the same street, arsonists also attempted to set fire to a Toyota Camry while it was parked in the driveway of a property. The fire caused minor damage to one tyre.
About 20 minutes later, a Nissan Navara ute was set fire while it was parked outside a property on Regent Drive, Alexander Heights.
Firefighters extinguished the blaze but the front of the ute was significantly damaged.
Shortly after, a Holden Jackaroo in the area was also set on fire. The blaze damaged the interior of the car.
Anyone with information is asked to contact Crime Stoppers on 1800 333 000.