BERLIN, March 2 (Reuters) – German Foreign Minister Sigmar Gabriel said in a media interview that he was“extremely concerned” about U.S. President Donald Trump’s planned tariffs on steel and aluminum and stressed that a trade war should be avoided at all costs. “I hope that President Trump reconsiders his announcement,” Gabriel told the Funke group of newspapers.“We need to do everything possible to avoid an international trade war.” Gabriel said the European Union needed to react resolutely to the U.S. tariffs, which he said endangered thousands of jobs in Europe.