US tariffs: Europe prepares 'calm & unified' response

Nations from Canada to China have readied retaliation in an escalating trade war after Trump raised tariff barriers to their highest level in more than a century this week, leading to a plunge in world financial markets. In Japan, one of US' top trading partners, Prime Minister Shigeru Ishiba said that the tariffs had created a "national crisis" as a plunge in banking shares on Friday set Tokyo's stock market on course for its worst week in years.