#diplomatic negotiations

US officials promise robust security assurances for Ukraine during Berlin talks, but critical questions about territorial sovereignty remain unaddressed.

Nazanin Zaghari-Ratcliffe's husband calls for stronger government action to secure release of another British couple imprisoned in Iran, citing lessons from his wife's ordeal.

Saudi Arabia releases 75-year-old US retiree Saad Almadi, jailed for critical tweets, following high-level diplomatic talks between Trump and Crown Prince Mohammed bin Salman.