The developments capped a striking day at Davos, whose theme this year was "A Spirit of Dialogue," even as discussions were dominated by frayed alliances.

At an emergency meeting in Brussels on Sunday afternoon local time, France pushed for the European Union to use the "Anti-Coercion Instrument."

At an emergency meeting in Brussels on Sunday afternoon local time, France pushed for the European Union to use the "Anti-Coercion Instrument."