UPDATE: Multiple media outlets report police say only one of the two men arrested is a suspect, the other man is a witness.
Two suspects are in custody after a deadly mosque attack killed 6 and wounded dozens of others in Québec City, Canada Sunday night.
Radio-Canada reports the suspects have been identified as Alexandre Bissonnette and Mohamed Khadir.
CBC News reports the shooting happened during evening prayers at the Islamic Cultural Centre of Québec.
Québec premiere, Philippe Couillard, called it a terrorist attack and asked for the Québec flag to be put at half mast in a tweet.
Fox News reports one of the two gunmen is of Moroccan origin and shouted 'Allahu akbar!' as he opened fire.
As of now, authorities haven't identified a motive.