Young children wandered through the charred shell of what had been a school sheltering displaced Palestinians on Thursday, after a pre-dawn Israeli strike killed 15 people there according to the civil defense agency.

Tattered clothes hung from the blackened exterior of the building in western Gaza City, as rubble still smoldered below in the morning light.

Bloodstains dotted the ground strewn with the remnants of daily life. Clothing, metal chairs, tins of food and part of an electric fan lay amongst the wreckage, footage showed.