Six more ships carrying agricultural cargo held up by the war in Ukraine received authorization Sunday to leave the country’s Black Sea coast as analysts warned that Russia was moving troops and equipment in the direction of the southern port cities to stave off a Ukrainian counteroffensive. Ukraine and Russia …

Talks to revive the nuclear deal between Iran and world powers reportedly resumed in Vienna on Thursday, after a six-week hiatus. Negotiators from Iran, the United States, and the European Union separately announced late on Wednesday that they were leaving for Vienna to continue the talks to re-up the 2015 …

Russian forces began an assault Saturday on two key cities in the eastern Donetsk region and kept up rocket and shelling attacks on other Ukrainian cities, including one close to Europe’s largest nuclear power plant, Ukraine’s military and local officials said. Both cities of Bakhmut and Avdiivka had been considered …