A cannabis factory has been discovered at an isolated house in Cornwall.
Officers discovered 500 cannabis plants and about 15kg of dried herbal cannabis at the property at North Hill, near Launceston.
Two men fled from the house after police were alerted by a member of the public on Tuesday.
A 37-year-old man arrested later at Upton Cross is being held at Launceston police station. The search for a second man continues.