The city police explosives unit were called yesterday morning to a vacant house in the 300 block of Fifth Line east.
A crew had been working on demolishing the residence and discovered what they believed to be 2 explosive devices inside a garage behind the residence.
The crew safely vacated the area and contacted police.
Officers were able to safely retrieve and dispose the devices at the scene.
Police say its appears the devices had been there for a long period of time and there was no evidence to suggest that someone had broken into the garage.