U.S. President Donald Trump’s big raise in tariffs has triggered an escalating trade war and sent global markets plummeting.

The U.S. is seeking to build support for squeezing more money for Ukraine out of frozen Russian assets as finance ministers from the Group of Seven rich democracies open a two-day meeting Another key topic pushed by U.S. Treasury Secretary Janet Yellen will be building a united front against China’s subsidies for solar panels and electric cars.