Sup Int Steve Parker from Devon and Cornwall police says the plot to kill Joss Stone was a rare and unusual case.
Kevin Liverpool and Junior Bradshaw have been convicted of conspiring to murder and rob the singer from Devon.
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Pupils at Hayle Community School launched the pasty as part of a project they are undertaking.
After a dry end to the day, it will grow colder overnight with a light breeze.
It will turn chilly tonight with largely clear skies and light winds.