Hear the first responder radio transmissions as the Pittsburgh mass shooting was happening

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Sunday morning’s mass shooting on Pittsburgh’s North Side drew a massive police response.

11 News got a sense of how it unfolded from emergency dispatch recordings.

The radio transmission between police and first responders started as a report of more than a dozen gunshots fired.

WATCH the video above to hear how the events unfolded from the view of first responders.

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