What sanctions could the US hit Russia with if it invades Ukraine?

Biden enters talks with Putin armed with a wide range of economic measures at his disposal - what are those options?

Joe Biden goes into Tuesday's virtual summit with Vladimir Putin, after days of close consultation with European allies on a joint response to an invasion of Ukraine, armed with a wide range of punitive measures at his disposal.

There would be increased military support for Kyiv and a bolstering of Nato's eastern flank, but the primary focus would be on sanctions. The US secretary of state, Antony Blinken, said they would include high-impact economic measures that we've refrained from taking in the past".