A man has been arrested and charged after a teenage shop assistant was threatened with a knife during a robbery in Greenock.
The incident occurred at the USAVE convenience store on Lynedoch Street in the town around 7.30am on Friday.
A 19-year-old shop worker was threatened before a four-figure sum of cash was taken.
Police were later alerted to a second incident, also on Friday, on East Crawford Street.
A third incident was reported to officers on Sunday on Lyndoch Street.
Police confirmed that following enquiries a 40-year-old man had been arrested and charged.
He is due to appear at Greenock Sheriff Court on Tuesday.