Deadly jellyfish-like sea creature s have been spotted on Irish beaches and parents have been warned to keep children or dogs away from their fatal sting.
Portuguese man o' war have washed up on beaches and been spotted in popular tourist spots such as Lahinch in County Clare, western Ireland.
The creatures have very similar appearances to jellyfish but are a species of marine organism in the siphonophore group, meaning they are made up of a colony of organisms working together.
