Waitrose to stop selling suffocated farmed prawns, as campaigners say they feel pain

As the supermarket vows to introduce electrical stunning for its farmed prawns, campaigners call on others to follow suitThey are a popular staple for office lunches, barbecues and takeaways, but prawns often suffer an unpleasant death before reaching our plates.Animal rights campaigners say billions of prawns farmed each year deserve better welfare protection and are targeting what they describe as “atrocious” practices of “eyestalk ablation” and suffocation in ice slurr