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This is why you may have heard or seen fireworks in October

CLEVELAND, Ohio -- Wondering why you saw or heard fireworks on a non-holidays Wednesday and Friday in Cleveland?

It's because the American Pyrotechnics Association convention is in town. And, we even caught video of Friday night's display.

The APA's 70th Convention & Annual Meeting is in Cleveland through Saturday.

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Convention swag #APARocksCleveland

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Wednesday night, the organization hosted a fireworks show at the Rock & Roll Hall of Fame.

Several people took to Twitter to ask why they were happening.

Hudson-based American Fireworks tweeted that they are one of the host sponsors and will be shooting off a closing fireworks display Friday night from FirstEnergy Stadium.

The convention wraps up Saturday when the group visits the Pro Football Hall of Fame in Canton.