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Gaza has seen relentless bombing since the war began

By Wyre Davies

BBC News, Jerusalem

This week Al Israa University became the latest major public building in Gaza to disappear from the map, blown up and destroyed by Israeli forces who had reportedly used it as a military base for several weeks.

The war in Gaza has already let to an unprecedented loss of life, but there's also growing concern about the destruction of public and private buildings.

Now a senior UN official has told BBC News of his fears that the widespread damage will lead to a "lost generation" of young people.

Israel declared war on Hamas after the group led a massive attack on communities inside Israel, killing about 1,200 people - mostly civilians - and taking some 240 others back to Gaza as hostages.

Around 130 remain in captivity. Almost 25,000 Palestinians have since been killed in Gaza, according to the Hamas-run health ministry,

The United Nations' Office for the Co-ordination of Humanitarian Affairs (Ocha) publishes regular bulletins on the impact of the war, and they make for grim reading.