Calgary residents living in the northeast neighbourhood of Saddle Ridge were told to stay inside as police officers responded to a scene on Friday night.
Police said the first calls came in around 6 p.m. as possible shots fired.
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Investigators sealed off an area for about two hours and asked residents to remain indoors.
Police have not confirmed whether anyone has been shot or injured.
Saturday, police said a man was taken into custody. EMS also said a man was taken to hospital after being bitten by a dog.
Police and EMS have not confirmed if it’s the same man.