Police have appealed for witnesses after a spate of suspicious fires in inner Brisbane overnight.
Emergency services were called to the first incident at 9:30pm, where a house on Franklin Street in Highgate Hill was on fire.
The blaze was extinguished.
However, a short time later crews were called to another fire at a home on the same street.
That house was extensively damaged.
While at the scene, a third fire was reported at a unit block on Hampstead Road, around the corner from Franklin Street.
Multiple cars parked underneath the building were damaged.
A crime scene has been declared on each street.
No-one was injured.