The fires have been on farmland in areas around Newton Abbot, Teignmouth, Paignton and Dawlish.
All the incidents involved a number of fire crews attending the scenes for long periods of time.
Safety advice has now been issued to farmers on how to reduce the risk of arson, including preventing easy access and installing security.
East Devon town faces yet another delay
Community hub in Cranbrook has suffered delays
Rail in North Devon needs to be “fit-for-purpose”
Urgent improvements needed
Storm Ingrid causes disruption across Devon
Yellow warning for rain until 22.00
Government confirms scrapping Exeter city elections
No residents will go to polls in May
£50 million Civic Centre revamp enters second stage
Top floor restaurant on the cards
Alert over claims of ‘poison’ in Exeter park
'It poses a real and ongoing risk'
