Man arrested in Cornish knife robberies probe

Armed robbery Image copyright Devon and Cornwall Police
Image caption Police released CCTV footage of a suspect following an attempted robbery at Lanner Store on Monday

A man is being questioned by police over a series of armed robberies which took place across Cornwall.

The 21-year-old, from St Austell, was arrested on suspicion of robbery on Thursday and remains in police custody.

A string of robberies and attempted robberies took place at shops in Reawla, Cubert, Scorrier, Porthtowan and Lanner over the last three weeks.

Police said isolated premises were targeted and a knife had been used to threaten staff.

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