Waterloo Regional Police say they caught an alleged thief while he was in the act at a Kitchener business over the weekend.
Police were called to a business on Victoria Street South between Patricia and West avenues for a report of a break-in.
They were told that a masked man wearing an orange hardhat and black coat was trying to make off with property.
Officers found a man matching the reported description and chased him on foot.
Police say the chase was wrapped up quickly as the man was found with the assistance of a police dog.