Canada announced retaliatory tariffs on American goods this week, matching a new round of levies imposed by President Trump and widening a trade dispute that has drawn in industries, officials, and lawmakers on both sides of the border.

A drone strike on a Ukrainian shopping mall killed 16 people amid a week of escalating cross-border attacks, mobilization warnings, and diplomatic friction between Moscow and London.

The United States and Iran exchanged public warnings as Washington moved to reimpose sanctions, with each side casting the standoff in starkly different terms.

The contest for the Senate is unfolding across a broader map than either party anticipated a year ago, as Democrats move to compete in states long thought safely Republican.

IndyCar staged the Freedom 250 Grand Prix on a temporary street circuit through central Washington, part of activities marking the 250th anniversary of the United States. The event drew racing fans while frustrating some residents and workers affected by road closures around the National Mall.