United Nations Secretary-General Antonio Guterres is deeply concerned about developments in Jenin.
A spokesperson said Israeli forces hit the West Bank city with drone strikes in one of the largest operations in the area in 20 years.
Guterres "affirms that all military operations must be conducted with full respect for international humanitarian law," Deputy UN spokesperson Farhan Haq said in a statement.
It follows the UAE's strong condemnation of the attacks.
Strait of Hormuz blocked as gaps remain on Iran peace talks
Shipping through the Strait of Hormuz was at a standstill on Sunday after Iran reasserted control over the strategic waterway that is key to global energy supply, days before a fragile ceasefire with the United States was set to expire.
Iranian President insists on country's nuclear rights, ISNA reports
US President Donald Trump has no justification to deprive Iran of its nuclear rights, the Iranian Student News Agency quoted Iranian President Masoud Pezeshkian as saying on Sunday, as Washington and Tehran continue to face disagreements over nuclear issues.
Fire in Malaysia's Sabah destroys 1,000 homes, thousands displaced
Thousands of people have been displaced after a fire destroyed around 1,000 homes in a coastal village in Malaysia's Sabah state on Borneo island on Sunday, the fire department said.
Pope says 'tyrants' speech not aimed at Trump
Pope Leo sought to downplay his feud with US President Donald Trump on Saturday, saying reporting about comments he has made so far during his Africa tour "has not been accurate in all its aspects".
Two Indian-flagged ships attacked while crossing Strait of Hormuz
Two Indian-flagged vessels carrying crude oil were attacked on Saturday while attempting to cross the Strait of Hormuz, India's Ministry of External Affairs confirmed in a statement.
