Four suspicious SA blazes 'likely linked'

South Australian police say it's likely four fires that broke out in Adelaide's north overnight were deliberately lit.

Fires that broke out in Adelaide's north overnight appear to have been deliberately lit, police say. (AAP)

Four fires that broke out in Adelaide's north overnight appear to have been deliberately lit, police say.

Police are investigating the suspicious blazes, which all ignited in the Elizabeth area in the early hours of Saturday morning.

A truck, fence and a house's timber framing were all damaged by the separate fires.