Greater Sudbury Police are looking for a man suspected of robbing the Tim Hortons on Falconbridge Road, near Lasalle Boulevard, Sunday morning.
The man was armed with a blunt force weapon, and took an undisclosed amount of money from the restaurant, police said.
He entered the Tim Hortons at around 1:50 a.m.
Witnesses described the man as an Aboriginal in his 30s with a large build.
He was wearing a grey hoodie with blue horizontal stripes at the time of the robbery. He also had dark baggy pants and shoes with white soles.
Anyone with information about the robbery can call police at 705-675-9171, or leave an anonymous tip with Crime Stoppers by calling 705-222-TIPS(8477) or visiting www.sudburycrimestoppers.com.