The Egyptian Coptic Festival opening ceremony took place in the presence of thousands of members of the Egyptian community in Canada.
"These events remind us all that such crimes against humanity should not be allowed to happen in our world."
Justin Trudeau said he would keep pressing Saudi Arabia on civil liberties amid a major diplomatic dispute but also offered an apparent olive branch.
Saudi Arabia's main state wheat buying agency has told grains exporters it will no longer buy Canadian wheat and barley in its international tenders.
Egypt said on Tuesday it supported Saudi Arabia in a political row with Canada, and stood in "solidarity" with the Gulf Arab kingdom.
United States on Thursday announced final duties on imported uncoated groundwood paper from Canada that is used for newspapers.
Crew members of two Canadian fishing vessels were approached by the United States border patrol in Canadian waters in the Gulf of Maine in late June.
Europe and hosts Canada warned US President Donald Trump on Thursday they will not be intimidated at the G7 summit.
Canadian Prime Minister Justin Trudeau is set to pile pressure on British Columbia's provincial government to drop its resistance to a pipeline project.
This is the third presidential election to be held since the January 25 Revolution in 2011; a run-off round, if needed, is scheduled to take place in April.
The Arab Parliament will take part in the 4th Global Conference of Young Parliamentarians, which is organized annually by the Inter-Parliamentary Union.
King Abdullah II of Jordan, accompanied by Crown Prince Hussein bin Abdullah, left for Ottawa on an official visit to Canada on Monday.
Moataz Zahran on Sunday opened the activities of an Egyptian festival in Ottawa, as part of current celebrations of the 150th anniversary of the confederation.