Security at the international terminal building at YYC Calgary International Airport was locked down on Thursday afternoon as an incident unfolded.
The airport tweeted it was aware of “reports of an incident” at the terminal that resulted in the lockdown of the CBSA security.
Calgary police were also called to the airport, for reports of a firearm.
In a video posted to Twitter, security personnel could be seen running down a hallway and heard yelling: “I need everybody to stay back. Back, back, now!” The video had over 9,000 views as of 2:30 p.m. MT.
WATCH: In a video posted to Twitter, airport security personnel could be seen running down a hallway and heard yelling for people to stay back. The video had been viewed about 10,000 times in less than half an hour
In a Twitter response to the video from a patron at the airport, Const. Mark Smith said there was no active shooter.
“Security precautions were taken at the location but at this time we can confirm there is no active shooter,” Smith said.
The video was deleted about 20 minutes after it was posted.
The Calgary Police Service also tweeted that officers attended and conducted an investigation but “at this time there is no threat.”
Officers would stay at the airport to “provide a reassuring presence,” CPS said.
Calgary police media relations said investigators believed an instrument may have been mistaken for a firearm.
The airport tweeted just before 2:30 p.m. that the international terminal building was still locked down, but regular operations would be resuming as soon as possible.
More to come.