India, July 24 -- Fresh off taking the reins at Number 10 Downing Street, UK Prime Minister Andy Burnham has confronted his inaugural major international economic test after US President Trump announced a sweeping wave of global tariffs. The aggressive trade measures, which took effect following the expiration of temporary worldwide duties, represent a calculated effort by Washington to reshape international commerce under the banner of combating forced labour.

For Burnham, who spent his first days in office focused heavily on domestic rescue packages and structural state overhauls, the sudden transatlantic trade friction introduces an immediate foreign policy challenge that will test the diplomatic agility of his nascent administration....