A potentially dangerous situation is unfolding in southeast Calgary, forcing emergency crews to evacuate businesses and block off a large area in the city’s Manchester Industrial Park.

The situation is so volatile that police announced in a post on social media that the airspace within two nautical miles of the incident has also been shut down.

Investigators were initially called to the 47 hundred block of 1 Street southwest around 12 p.m. on Tuesday to investigate reports of a suspicious package.

Police say the package, which contains explosive material, was likely delivered to the wrong address and is too unstable to move safely.

Calgary Transit has shut down bus routes in the area and CTrain riders are being warned to expect delays.

While McLeod Trail remains open, several side

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