Spraying operation to get rid of caterpillars

A helicopter has been spraying chemicals in the skies above Berkshire today to halt the spread of a toxic caterpillar. The Oak Processionary Moth destroys trees and causes severe itching and rashes in humans and animals.

The area affected covers acres of Sulham Woods in Pangbourne. Two areas were sprayed today - but the operation has been delayed several times this year because of the weather. Environmental groups are questioning the use of chemicals. Full report later.

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Helicopter sprays chemicals to kill caterpillars

A helicopter has been spraying chemicals in the skies above Berkshire today to halt the spread of a toxic caterpillar.