A gang of men allegedly stole money from a woman moments after watching her withdraw it from a cash machine.
A young woman dressed in a black jacket and leggings, with her right arm in a sling, was approached by three men near to the doctors surgery on Silver Street in Coningsby between 2.45pm and 3pm on November 9.
The men were all described as being in their late 20s/early 30s and all white, police said.
One man was wearing a grey tracksuit and a black coat. The second man was wearing blue jeans and a white T-shirt, and the third was wearing black jeans and a grey hoody.
After the incident the victim reported talking to two men, described as possibly a father and son, about the robbery.
They were dressed in blue/black blazers and trousers, and the older man was wearing a multi-coloured tie. Police are keen to speak to these two men about the incident.
Anyone with information about the incident should contact police on 101 or via email at force.[email protected] quoting incident number 331 of November 9.
It can also be reported anonymously through Crimestoppers on 0800 555 111.