Trade is about to become a key element of the global response to Russia's invasion of Ukraine following the array of sanctions that have already been imposed. [Source]
• Analysis: Putin vs. the entire concept of international law
• Analysis: As war breaks out in Europe, China blames the US
• Eurovision: Russia not allowed to compete
• Aeroflot ban: British Airways cancels flights
President Joe Biden described events now underway in Ukraine as "the beginning of a Russian invasion" as he unveiled new sanctions to punish Moscow on Tuesday.