An emergency warning has been issued for a bushfire that may threaten lives in the hills southeast of Adelaide.
Residents of Longwood, Mylor and Biggs Flat were on Monday morning advised to leave the area if safe, or take shelter.
The Cherry Gardens fire, which sparked on Sunday, is burning in a northeasterly direction but difficult wind conditions may cause it to change direction unexpectedly, the Country Fire Service says.
“This fire may pose a threat to lives directly in its path,” the CFS says.
More than 300 firefighters spent the night battling blazes in the Adelaide Hills after a scorching day when temperatures climbed above 40C across much of South Australia.
Rain is expected to provide some relief on Monday.
A man has been charged with starting a bushfire in the Adelaide Hills after speeding away from police patrolling the area.
A patrol car spotted a vehicle speeding away from the fire on Piggott Range Road at Clarendon on Sunday evening.
Police stopped the car and arrested the 60-year-old, who is now facing charges of cause bushfire, unlicensed and drink driving, and engaging in a police pursuit.
He was refused bail to appear in Christies Beach Court later on Monday.
The fire was put out by members of the public and caused minimal damage, police said.
Detectives are investigating whether this fire is linked with others in the area.