York Regional Police have arrested a 21-year-old man on Monday in connection to three robberies in Markham.
Police said a Tim Hortons and two Shoppers Drug Marts were robbed by a male suspect armed with a knife.
The robberies occurred on June 2, June 9 and July 15.
No one was injured in the incidents.
Codi Sumsion, 21, of Markham was charged with three counts of robbery.