LONDON — U.K. Prime Minister Keir Starmer and German Chancellor Friedrich Merz signed a landmark treaty on Thursday that ...

The NATO chief had warned India, China and Brazil that they could be hit hard by secondary sanctions if they continue to do business with Russia.

China faces pressure to move beyond economic diplomacy and become Iran’s key security partner as regional instability grows.

Former Russian President Dmitry Medvedev has threatened the West with “preemptive strikes” if it continues to escalate its support for Ukraine, a belligerent response to President Trump’s new hardline ...