With displaced Palestinians still inside, a youth walks by the debris in a classroom at the Abu Hussein U.N. school in Jebaliya refugee camp AP / Press Association Images AP / Press Association Images / Press Association Images

IN THE WAKE of the outrage expressed over the deaths of civilians at a UN school shelter, Israel is to investigate the incident.

The BBC reports that a government spokesman said the country will investigate the shelling and will apologise if Israeli fire was responsible.

The Abu Hussein UN school was located in Jebaliya refugee camp, in the northern Gaza Strip.

Both the US and the UN have condemned the attack.

There was widespread of condemnation of the attack, which left at least 16 people dead.

A displaced Palestinian child waves to a friend from inside a damaged classroom at the Abu Hussein U.N. school AP / Press Association Images AP / Press Association Images / Press Association Images

The attack on the shelter took place on the 23rd day of the Israel-Hamas conflict, shortly after 5.30am when people were sleeping at the school-turned-shelter.

The school was run by the UNRWA, the UN agency, and its Commissioner-General Pierre Krähenbühl said afterwards:

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