Prime Minister Justin Trudeau and U.S. President Donald Trump arrive to take part in a plenary session at the NATO Summit in Watford, Hertfordshire, England, on Wednesday, Dec. 4, 2019. THE CANADIAN PRESS/Sean Kilpatrick

Prime Minister Justin Trudeau is rejecting NDP Leader Jagmeet Singh's proposal to bar Donald Trump from attending the G7 summit taking place this spring in Canada.