President Donald Trump said that the tariffs he threatened against Apple Inc. earlier Friday would also be aimed at a wider range of device makers, including Samsung Electronics Co., to spur them into moving manufacturing of their products to the US.

Donald Trump has threatened to impose a 25% import tax on all smartphones made outside the US, targeting not only Apple.

His event in the Oval Office was at one point interrupted by repeated phone calls that he said were from members of Congress.