Cornel Feruta has been named as the acting Director General of the International Atomic Energy Agency (IAEA).
It comes after the death of Yukiya Amano earlier this week.
Members of the board held an extraordinary meeting on Thursday in which they decided to designate the Romanian official as acting director general.
During the meeting, all attendees stood a moment of silence as a respect gesture for the achievements of the late Japanese director.
US military to begin Iran maritime blockade on Monday
The US Central Command said it will begin implementing a blockade of all maritime traffic entering and exiting Iranian ports on April 13 at 10 a.m. ET (1400 GMT), after President Donald Trump said the US Navy would start blockading the Strait of Hormuz.
Orban ousted after 16 years as Hungarians flock to pro-EU rival
Hungary's veteran nationalist leader Viktor Orban lost power to the upstart centre-right Tisza party in Sunday's national election after 16 years in office, marking a setback for his allies in Russia and US President Donald Trump's White House.
Trump vows to blockade Strait of Hormuz after Iran peace talks stumble
President Donald Trump said on Sunday the US Navy would immediately start blockading the Strait of Hormuz, raising the stakes after marathon talks with Iran failed to reach a deal to end the war, jeopardising a fragile two-week ceasefire.
Nigerian airstrike hits market, 200 feared dead
At least 200 people are feared dead after Nigerian military jets struck a village market while pursuing rebels in the northeast of the country on Saturday night, a councillor for the area and residents said on Sunday.
Russia, Ukraine trade accusations of ceasefire violations
Russia and Ukraine accused each other on Sunday of breaching the 32-hour ceasefire in their four-year war, reporting more than a thousand drone and shelling attacks just hours after the truce began on Saturday to mark Orthodox Easter.
