The female suspect went to Conspiracy Comics, located at 2388 Fairview St., around 7:58 p.m. and made a small purchase, according to police. She then brandished a hammer and demanded money from the store employee before running away.
The employee was not injured, police said.
The suspect is described as a white woman who is between 20 to 30 years old and 5-5'' to 5-6'' with a slender build. She has a stud piercing under her lower lip.
She was wearing a grey hooded sweater, light-blue jeans, a dark toque, a black knapsack and dark-coloured skater shoes.
Anyone with information is asked to contact the Burlington Criminal Investigations Bureau at 905-825-4747 ext. 2316. Witnesses can also contact Crime Stoppers by phone at 1-800 222-TIPS(8477), visit the website at www.haltoncrimestoppers.com or by texting "Tip201" with your message to 274637 (crimes).