During the incident a member of staff at the Co-op had been punched in the face.
Two youths have been arrested after members of a gang attacked a shop worker.
Police were called to a disturbance at the Co-op, in Mollison Square, Wallington, at about 9pm on April 25.
The shop's alarm had been set off and staff had been forced to shut the store.
During the incident a member of staff had been punched in the face.
Two 14-year-old boys have been arrested in connection with the incident, one on suspicion of wounding, affray and shoplifting, the other on suspicion of violent disorder, aiding and abetting assault and shoplifting.
They have been bailed to return to Sutton police station in June.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules hereComments are closed on this article