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.
US military says it's completed 13th consecutive night of strikes on Iran
The US military said on Thursday night it had carried out a fresh wave of strikes on Iranian military targets, marking the 13th consecutive night of American attacks.
Indian government seeks time on minister resignation demand
Leaders of India's youth-led "cockroach" movement said on Friday that the government has asked for time until Saturday afternoon to respond on their demand for the education minister's resignation, following talks between the two sides.
Israel launches military operation after deadly clash near Palestinian village
Four Palestinians and two Israeli soldiers were killed near a Palestinian village on Friday in a confrontation that added to a growing toll over recent weeks as Israeli settler violence has intensified against Palestinians in the occupied West Bank.
Irish police intercept car with 'significant' bomb near Northern Ireland border
Irish police intercepted "a significant explosive device" in a car travelling towards the border with Northern Ireland this week that they said on Friday was likely the work of nationalist militants opposed to British rule in Northern Ireland.
Spain declares national emergency over wildfires near Madrid and in Avila
The Spanish government on Thursday night declared a national emergency after a series of wildfires threatened communities near Madrid and in the neighbouring province of Avila, forcing more than 10,000 people to evacuate as firefighters struggled to contain the blazes.
