Deadly snails - the size of rats - have sent a town in the USA into quarantine, as authorities struggle to get rid of the killer pests.
The species, native to Africa, were discovered in an area in Florida where authorities issues out urgent alerts to residents, reports the Daily Star.
The invasive species of land snail, native to Africa, can carry the parasite lungworm which can cause life-threatening effects and cause meningitis in humans.
