U.S. President Donald Trump signs a presidential proclamation placing tariffs on steel and aluminum imports while surrounded by workers from the steel and aluminum industries at the White House in Washington

U.S. President Donald Trump signs a presidential proclamation placing tariffs on steel and aluminum imports while surrounded by workers from the steel and aluminum industries at the White House in Washington

US President Donald Trump gives out pens he used to sign presidential proclamations placing tariffs on steel and aluminum imports to workers from the steel and aluminum industries at the White House. Photo: Reuters/Leah Millis

March 9, 2018 6:41 AM (UTC+8)