Canadian Prime Minister Justin Trudeau is to travel to Quebec City in the wake of the mosque shooting that killed six men, his spokesman said.
The PM is due to address parliament before visiting the Quebec City Islamic Cultural Centre.
"We condemn this terrorist attack on Muslims in a centre of worship and refuge," Trudeau said in a statement following the attack.
The attack came after Trudeau said Canada would welcome refugees that were blocked from the US after Donald Trump signed an executive order imposing a 90-ban on seven Muslim-majority nations.
Suspects detained in connection with the Quebec mosque shooting have been identified as Alexandre Bissonnette and Mohamed Khadir, a source told CBC News.
French-Canadian Bissonnette and Khadir, of Moroccan heritage, are said to be in their late 20s or early 30s.
At least one suspect is a student at the Laval University near the mosque, the source said.
Six men, aged 35 to 70, are said to have died in the attack and five more are in a critical condition, police Sergeant Christine Coulombe said.
A hospital spokesman said 13 people had been discharged from hospital after receiving treatment.
Quebec's Premier has delivered a heartfelt message to the province's Muslims in a speech following the mosque shooting last night.
"I want to say a few words to our fellow Quebecers, Muslim Quebecers - we are with you, this is your home, you are welcome here, we are all Quebecers," said Premier Philippe Couillard this morning.
"The first duty of our society is to establish security, safety of the people, which we are doing with the police forces at all levels ... We also have to keep repeating that we must maintain solidarity and unity between our communities."
He urged citizens to 'be there to indicate solidarity' at rallies on Monday to pay tribute to those affected by the attack.
Six people were killed and eight injured in the shooting at a Quebec City mosque in what both Couillard and Canada's prime minister have called an "act of terrorism".
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Canadian Prime Minister Justin Trudeau congratulated Donald Trump on winning the US presidency and stressed the close friendship and ties between the two nations.
Mr Trudeau said in a statement that he looked forward to working very closely with Mr Trump and his administration on trade, investment, international peace and security.
“On behalf of the Government of Canada, I would like to congratulate Donald J. Trump on his election as the next President of the United States.
“Canada has no closer friend, partner, and ally than the United States. We look forward to working very closely with President-elect Trump, his administration, and with the United States Congress in the years ahead, including on issues such as trade, investment, and international peace and security.
“The relationship between our two countries serves as a model for the world. Our shared values, deep cultural ties, and strong integrated economies will continue to provide the basis for advancing our strong and prosperous partnership.”
The European Union and Canada signed a free trade agreement on Sunday after seven years of negotiations and last-minute delays.
The deal, known as the Comprehensive Economic and Trade Agreement (CETA), is designed to boost growth and jobs and following weeks of uncertainty due to opposition in part of Belgium.
Canadian Prime Minister Justin Trudeau signed the treaty along with the heads of EU institutions, which should pave the way for it partially enter into force early in 2017 with the removal of most import duties.