Sheep worrying

North Wales Police has asked the public for help to locate the lambs

Farmers urged to be extra vigilant as dog walkers descend on countryside

They also attacked another 30 sheep which were injured during the incident

The attack took place between April 30 and May 1 during the bank holiday weekend.

Sussex Police Rural Crime Team said the dogs had to be shot to protect the flock.

The attack took place on May 30

The dog owner agreed to recompense the farmer after the attack

South Yorkshire Police have warned irresponsible owners are endangering livestock.

A man has been charged after 93 pregnant sheep were chased by a dog near Auchterarder in Perthshire.