"As long as there is no real peace…, until the Ukrainian territorial integrity is not restored… economic sanctions should remain, economic sanctions should be applicable."
Harper recalled that Canada had imposed sanctions against more than 270 individuals and legal entities from Russia and the supporters of the unrecognized Donetsk and Lugansk People's Republics of Ukraine's eastern Donbass region.
"We reaffirm our readiness to cooperate with our allies to impose new additional sanctions if the situation requires," Harper added.
The West has introduced several rounds of anti-Russia sanctions over Moscow's alleged involvement in the Ukrainian conflict, blaming Moscow for supporting Donbass fighters. Russia has repeatedly denied these allegations.
In August, 2014, Russia responded to Western restrictive measures by announcing a one-year food embargo on products originating in states that imposed sanctions against it.