A number of dogs have been taken ill in Dorset after swallowing poison pellets on a heath which is popular with dog walkers.
Pet owners contacted the council and police after finding the poison on Talbot Heath, off East Avenue, Bournemouth.
Dorset Police said the pellets were potentially lethal to dogs. Some animals have required vet treatment.
It is suspected they may have been used in an attempt to get rid of foxes.
They have been sent away for analysis.