An attempted armed robbery in London’s north end has police investigating.

Police say a woman was walking her dog shortly after midnight Tuesday when she was approached by a man with a gun and was told to hand over her valuables.

The victim did not comply, and the suspect took off. But shortly after, the woman had heard a gunshot. Police searched the area and discovered evidence of a shell from a discharged firearm.

The suspect is described as a white male, in his early 20s, 5″6, with an average build, a pale complextion, thick brown beard and noticeable blue eyes.

Anyone with information is asked to contact police or Crimestoppers.