Firefighters dealt with two cars set alight in arson attacks within five minutes of each other in Sheffield.
The first involved a Renault Megane found burning on Water Slacks Road, Woodhouse, at 4.40am today.
At 4.45am a 4x4 was fired on the A630 Sheffield Parkway.
Police were alerted to the incidents.
Last night crews dealt with a pile of rubbish set alight in a field off Strauss Crescent, Maltby, Rotherham.
And a fire in a house on Rawmarsh Hill, Parkgate, Rotherham, was down to a fault with an electricity fuse box.
Anyone with information on the arson attacks should call South Yorkshire Police on 101 or Crimestoppers on 0800 555111.