Around 50 ewes were found dead in Monmouthshire, Wales (Picture: Gwent Police)
Dozens of sheep were killed when an out of control dog chased them into a corner where they then suffocated or died of fright.
Distressing footage shows a farmer finding the animals lying in a pile in the muddy field.
Around 50 ewes died, along with their unborn lambs which would have numbered around 100.
Fiona Wall posted a video on Facebook, saying: ‘This was the heartbreaking scene left on our family farm today. 50 dead in lamb ewes.
‘This is all down to a dog (more than likely two). Although this is not a vicious attack and these ewes have not been torn apart, they have been chased so much and pushed into the corner of the field [which] caused the heavily pregnant ewes to suffocate.
‘It still leaves us with 50 dead ewes and average of 100 unborn dead lambs. And then the added stress of those that survived aborting before lambing.
‘Heartbreak in a video.’
A spokeperson for Gwent Police said: ‘We received a report of a number of sheep found dead on farmland in Monmouthshire on January 15.
‘Around 50 sheep have died following what is believed to be a sheep worrying incident which took place on January 15 sometime before 3pm.
‘Enquiries are ongoing and we are appealing for anyone with any information to get in contact.’
PC Louise Thorpe from the Rural Crime Team said: ‘This has been a very distressing incident for the sheep owner. Livestock worrying is a criminal offence and can have a devastating impact on our rural communities.
‘The stress alone of being chased by a dog can be enough to kill a sheep and for pregnant ewes there is the risk of them losing their unborn lambs.
‘We would like to remind all dog owners to ensure their dog is on a lead whenever they are near livestock. Many sheep worrying incidents are caused by unaccompanied dogs that have escaped from their house or garden. Dog owners should make sure their home or garden is secure and that their dog cannot get loose.
‘Our advice is, if anyone sees an incident of livestock worrying, to call police on 101.’
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