President Donald Trump said he will impose a 50% tariff on copper imports on Tuesday, and suggested more steep sector-specific duties are on the way.“Today, we’re doing copper,” Trump said during a Cabinet meeting at the White House.

President Donald Trump vowed to push forward with his aggressive tariff regime in the coming days, stressing he would not offer additional extensions on country-specific levies set to now hit in early August while indicating he could announce substantial new rates on imports of copper and pharmaceuticals.

U.S. President Donald Trump broadened his global trade war on Tuesday as he announced a 50% tariff on imported copper and said long-threatened levies on semiconductors and pharmaceuticals were coming soon.

Trump sent letters to 14 countries threatening them with new tariffs, and the White House said more countries may be included in the coming days.