Forestry Commission issues 'do not touch' warning for oak processionary moth caterpillars in SE England, posing health risks and tree damage.

Forestry Commission issues urgent 'do not touch' warning for oak processionary moth caterpillars in South East England. The non-native species poses health risks to humans and damages trees. Public urged to be vigilant, report sightings, and not attempt to dispose of nests. The caterpillars' hairs can cause itchy rashes, eye and throat irritation.