By Philip Blenkinsop, David Lawder, Stephanie van den Berg BRUSSELS/BANFF, Canada/THE HAGUE (Reuters) -U.S. President Donald Trump threatened on Friday to ratchet up his trade war once again, pushing for a 50% tariff on European Union goods starting June 1 and warning Apple he may slap a 25% levy on all iPhones bought by U.

President Donald Trump is threatening a 50% tax on all imports from the European Union as well as a 25% tariff on Apple products unless iPhones are made in America.

The president threatened both Apple and the European Union with higher tariffs on Friday, saying trade talks with the Europeans had stalled.