The issue focused on the lack of clarity in the legislation when it came to the number of refugees allowed to come to Canada in 2015, and how long the new program would operate.

"This is a very serious matter," Trudeau told a news conference in the House of Commons. "We have a responsibility to be sure refugees are being protected from harm."

He said that the government had not taken into account the number of countries that had agreed to take in refugees.

"We don't have