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.
Iran could be producing enriched uranium in a few months, the head of the UN nuclear watchdog Rafael Grossi was quoted as saying on Sunday, raising doubts about how effective US strikes to destroy Tehran's nuclear programme have been.
The Jerusalem District Court has cancelled this week's hearings in Prime Minister Benjamin Netanyahu's long-running corruption trial, accepting a request the Israeli leader made citing classified diplomatic and security grounds.
The Israeli military ordered Palestinians to evacuate areas in northern Gaza on Sunday before intensified fighting against Hamas, as US President Donald Trump called for an end to the war amid renewed efforts to broker a ceasefire.
Russia used hundreds of drones, cruise and ballistic missiles to attack western, southern and central Ukraine overnight, damaging homes and infrastructure and injuring at least six people, local authorities said on Sunday.
At least seven Palestinians were killed and several others injured early Sunday in a series of Israeli airstrikes targeting Gaza City and Khan Younis in the southern Gaza Strip, Palestinian News & Information Agency (WAFA) reported.