brussels european union chief executive wednesday say unite state take account eu concern new sanction russia brussels ready retaliate within days measure hurt eu economic interest speak u.s. president donald trump sign measure jean-claude juncker say eu would take counter measure u.s. sanction harm european company involve oil gas project russia ready must defend economic interest vis vis unite state juncker say accord transcript provide press team u.s. measure grudgingly approve trump despite desire improve relations moscow anger eu officials see break transatlantic unity west response moscow annexation ukraine crimea region 2014 support separatists east juncker tell german radio station crucial coordinate unite state ensure sanction russia role ukraine crisis effective german economy minister brigitte zypries say sanction could hit european firm involve construction operation maintenance natural gas pipelines russia extra-territorial impact europe could accept count ... president trump use leeway give law sanction happen write german weekly magazine wirtschaftswoche would clear signal close cooperation usa europe continue diplomacy fail eu document see reuters say bloc prepare use eu regulation allow defend company application extra-territorial measure unite state brussels also plan file complaint world trade organization eu 's juncker say ready retaliate need new u.s. sanction russia