Chinese President Xi Jinping told Russia's Vladimir Putin on Thursday their two countries should be "friends of steel", as they pledged to boost cooperation to a new level at a time of heightened confrontation with the West.

Chinese leader Xi Jinping and Russian President Vladimir Putin signed a joint statement “further deepening” their partnership following talks in Moscow Thursday – a show of solidarity in the face of global uncertainties unleashed by US President Donald Trump’s “America First” diplomacy.

Russian President Vladimir Putin welcomed China's Xi Jinping to celebrate Victory Day 80 years after World War II ended. CBS News' Elizabeth Palmer reports from Moscow.