'People are shocked when their dogs attack my sheep'

"The owner and the dog had disappeared by the time we got there – there was nothing we could do."

Farmer Isobel Connell recently lost eight lambs after a dog chased and attacked them while its owner looked on.

Her farm in the Chiltern Hills near Henley-on-Thames has been subjected to even worse attacks - 10 years ago 68 lambs and 19 ewes were killed by two loose Labradors.

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