A property in Crimplesham, near Downham Market, was broken into and set on fire.
Police are appealing for information following an arson in Downham Road which happened yesterday, Wednesday, August 30.
The incident happened between 9.30am and 11.45am where a house was broken into and the bedroom was set alight causing fire and smoke damage.
The fire service were called at around 10.35am.
Crews from Downham Market, Outwell, Kings Lynn North, Kings Lynn South and Wisbech attended the scene followed by police at 11.43am.
They remained on the scene for a number of hours to investigate the cause of the fire.
A police spokesman said: 'An initial assessment of the scene suggested there may be suspicious circumstances surrounding its ignition and a seal was put in place.'
An ambulance spokesman said an officer was sent to the address at around 10.44am but quickly stood down after discovering no casualties.
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