U.S. President Joe Biden's administration

The European Union and the United States will this week embark on a tricky effort to deepen ties on tech regulation, but with France resisting the project in the wake of a row with Washington over a submarine deal.

Russia has more troops on Ukraine's eastern border than at any time since 2014, when it annexed Crimea and backed separatist territory seizures, and the United States is concerned by growing "Russian aggressions," the White House said on April 8.

The United States is discussing its concerns with its NATO allies, White House Press Secretary Jen Psaki told a briefing.

Russia warned on April 1 that a serious escalation in the conflict in Donbass could "destroy" Ukraine as NATO voiced concern over what it said was a big Russian military build-up near eastern Ukraine.

Russia has issued a warning against a repeat of the NATO Western military alliance's bombing campaign of Yugoslavia on its 22nd anniversary, as Washington's top diplomat seeks to rally the alliance for the first time under the banner of U.S. President Joe Biden's administration.

The U.N. nuclear watchdog chief announced on Feb. 21 a "temporary solution" to allow Iranian facility inspections to continue after days of talks with officials, giving some much needed breathing space for diplomatic negotiations.