The International Court of Justice (ICJ), also known as the World Court, said on Monday that Judge Yuji Iwasawa had been elected as its new president to complete former president Nawaf Salam's term that ends on February 5, 2027.
Salam resigned in January to become Lebanon's prime minister.
Iwasawa, who is Japanese, has been a member of the World Court since 2018 and before that was a professor of international law at the University of Tokyo and chairperson of the United Nations Human Rights Committee.
The ICJ, the UN's highest court and based in The Hague, was established in 1945 to resolve disputes between states.
It recently gained global attention in the ongoing case surrounding genocide accusations against Israel - which it has denied - in the Gaza war.
In July, the ICJ ruled that Israel's occupation since the 1967 Middle East war of Palestinian territories and its settlements in the West Bank and East Jerusalem were illegal and that it must withdraw as soon as possible.
A Russian attack on Ukraine's southern Odesa region killed two people and injured three overnight, Ukraine's emergency service and a government official said on Monday.
Former Philippine President Rodrigo Duterte was "pivotal" in the murder of thousands of people during his rule, prosecutors at the International Criminal Court (ICC) said on Monday, as they pushed for his trial to go ahead.
Children across parts of the US Northeast will stay home on Monday as a powerful winter storm forced school closures and pushed offices and transit systems onto emergency schedules, with officials across the region warning of dangerous travel conditions.
A passenger bus plunged 200 metres (650 feet) from a mountainous road in west Nepal before dawn on Monday, killing 19 people including three foreign nationals.
Human rights are under assault worldwide, the United Nations chief warned on Monday, citing widespread abuses of international law and devastating civilian suffering in conflicts in Sudan, Gaza and Ukraine.