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.
Civilians pay heavy price as war in Lebanon drives death, displacement, UN says
Civilians are paying a heavy price as the war in Lebanon continues to expand, driving death, injuries and displacement the United Nations said on Tuesday.
Afghan Taliban says 400 killed in Pakistan air strike on Kabul hospital
At least 400 people have been killed and 250 injured in an air strike by Pakistan on a drug users' rehabilitation hospital in Kabul, a spokesman of the Afghan Taliban government said on Tuesday, a sharp escalation in the conflict between the neighbours.
Bomb attacks kill at least 23 in Nigeria's Maiduguri
At least 23 people have been killed and 108 injured in suspected multiple bomb attacks in Maiduguri city, capital of Nigeria's insurgency-hit northeastern state of Borno, the state police command said in a statement late on Monday.
Five countries warn against major Israeli ground offensive in Lebanon
A "significant Israeli ground offensive" in Lebanon must be averted since it could have devastating humanitarian consequences, Canada, France, Germany, Italy, and Britain have said in a joint statement on Monday.
The United Arab Emirates air defence systems intercepted 10 ballistic missiles and 45 drones launched from Iran on Tuesday, the Ministry of Defence (MOD) said in a statement.
The UAE has dismissed the labelling of Iranian attacks on countries in the region as "retaliatory" during the Human Rights Council's session in Geneva, calling it a bid to mislead the international community.
Authorities have responded to an incident involving fallen shrapnel from a ballistic missile interception at Abu Dhabi's Baniyas area on Tuesday, which resulted in the death of one person.
