The path to diplomacy appeared to narrow after officials called off talks that had been set for Sunday between Tehran and Washington on Iran’s nuclear program.

The renewed U.S.-China trade truce struck in London left a key area of export restrictions tied to national security untouched, an unresolved conflict that threatens a more comprehensive deal, two people briefed on detailed outcomes of the talks told Reuters.

DUBAI — Israel unleashed airstrikes across Iran for a third day Sunday and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the country. Planned talks on Iran’s nuclear program, which could provide an offramp, were canceled.

While the UK is an important trading partner for Canada, it represents only a small share of Canada's exports. In 2024, the UK represented 3.6% of exports and 1.2% of imports for the country, according to the Conference Board of Canada. Exports to the UK are mainly dominated by gold and energy products.