Police were called to Morrisons in Lawley, Telford at around 7pm on Monday, February 7 after a suspected shoplifter was detained.
Eyewitnesses said two police cars attended the supermarket, where three people were arrested.
A spokesperson from West Mercia Police confirmed the arrests.
They said: "Police were called around 7pm after a suspected shoplifter was detained.
"Three people have been arrested on suspicion of theft from store."