QUEBEC CITY — An unconfirmed number of people died Sunday evening in a shooting at a mosque in the provincial capital of Quebec City, police said.Authorities did not specify the number of fatalities. My thoughts are with victims & their families,” Canadian Prime Minister Justin Trudeau tweeted. Tonight, Canadians grieve for those killed in a cowardly attack on a mosque in Quebec City. Quebec City police spokesman Constable Pierre Poirier said two suspects were arrested.Quebec Premier Philippe Couillard termed the act “barbaric violence” and expressed solidarity with the victims’ families.”Tonight, Canadians grieve for those killed in a cowardly attack on a mosque in Quebec City. His office says no motive has been confirmed.In the summer of 2016 a pig’s head was left on the doorstep of the Quebec Islamic Cultural Centre. My thoughts are with victims & their families.— Justin Trudeau (@JustinTrudeau) January 30, 2017 Public Safety Minister Ralph Goodale said on Twitter Sunday that he is deeply saddened by the loss of life.