警方當時在推特中證實警方正在進行行動，讓民眾避免Canal 和 Mackenzie King Bridge 之間的Dalhousie Street。而這個地點正是裡多中心所在位置。
Due to an ongoing police operation, please avoid Dalhousie Street to the Canal and the Mackenzie King Bridge. ~ En raison d'une opération policière en cours, veuillez éviter la rue Dalhousie vers le canal et le pont Mackenzie King.
I was in the mall. I saw a guy with message board something “ truckers “ and other words and some Chinese characters. He was wearing jackets which with many words were written with black marker. I could see “ trucker” on his back.
Witnesses say there’s a man with a gun inside the Rideau Centre. Large police presence outside the mall. Officers with their guns drawn @ctvottawapic.twitter.com/4xxRn4dLrx
Some Breaking Ottawa news: I went to the Rideau Centre Mall to grab lunch, we were just told to leave immediately, heavily armed Ottawa Police have arrived on scene. pic.twitter.com/RsXTugChRk
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