UN agency says nearly 80% of structures in Gaza damaged since start of warpublished at 07:57 BST

The UN's Palestinian refugee agency says over 370 of its staff in Gaza have been killed since the start of the war
Marking two years since the Hamas-led 7 October attack and the massive military campaign that Israel launched in its aftermath, the UN's Palestinian refugee agency (Unrwa) has shared figures detailing the scale of devastation.
Here are a few of the UN agency's key statistics:
- Over 66,100 people reported killed, including at least 18,430 children
- Up to one million people have sheltered in Unrwa facilities, at least 845 of which were killed whilst sheltering
- Over 370 Unrwa staff have been killed
- Nearly 80% of structures across the Strip have been damaged or destroyed
- Less than 40% of hospitals remain functional, all partially
- Nearly 90% of the water and sanitation assets have been either destroyed or damaged