Russian President Vladimir Putin arrives in Brisbane where he's likely to meet a storm of criticism.
Australia's G20 summit is expected to produce a showdown between Western leaders and Putin, following new reports of Russian troops pouring into eastern Ukraine.
After several months of fighting, a ceasefire is supposed to be in effect.
But Kiev says Russia is sending soldiers and weapons to help separatist rebels in the east launch a NEW offensive.
Putin denies the accusations and in interview with Russian journalists, blasted the U.S. and European Union -- saying the sanctions they've imposed on Russia have harmed the global economy.
(SOUNDBITE) (Russian) RUSSIAN PRESIDENT, VLADIMIR PUTIN, SAYING (AUDIO STARTS OVER SHOT OF REPORTER LISTENING):
"...It undermines the whole system of international economic relations. But I really hope and I am coming from the conviction that finally an understanding will be reached and all of this will be left in the p