Several bales of hay caught fire at a Rabat farm on Tuesday night, destroying two cars as a result.
It is not yet know why the bales caught fire. The possibility of arson is not being ruled out and a magisterial inquiry is likely to be ordered, police said.
Police were informed of the incident, which took place at around Triq Ħad Dingli, at around 11pm.
No one was injured in the incident since there was no one at the farm when the incident took place.