Northumbria Police are urging farmers to be vigilant after the recent spate of farm fires in North Northumberland.
Chief Inspector Mick Todd said: "We are working very closely with the fire service to investigate these fires and are doing everything possible to prevent further incidents.
"Extra patrols are operating in the rural and farming areas of North Northumberland. We are monitoring all areas, not matter how rural or isolated. In addition, we are also working closely with the farming community and have measures in place to protect property and offer support and crime prevention advice where required.
"These fires were serious incidents. We are talking about considerable damage caused not only to property, but to people's livelihoods.
"We are committed to protecting our farmers and residents from rural crime, and firm action will be taken against anyone found to be targeting isolated communities.
"If you live in an isolated location and have any concerns, or would like to speak to a police officer about crime prevention, please get in touch."
Anyone who has any information about this weeks incidents, or anyone who would like to report suspicious activity in rural areas should contact police on 03456 043 043 or call Crimestoppers anonymously on 0800 555 111.
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