israel says it has now all but completed its military objectives in the north of gaza and is proceeding aggressively with ground operations in the south. the israeli military has again urged people to evacuate from areas they re targeting. around 170,000 people in khan younis have been warned to leave for their safety. the world health organization says it has been told by israel to move medical supplies out of two warehouses in southern gaza within 2a hours although israel has denied this. these pictures show explosions and fire in gaza on monday evening. a spokesman for the un children s charity, unicef, says there s nowhere safe for people to go. and there are reports from gaza that at least 30 people have been killed at two schools where people were sheltering, including children. earlier reports from the official palestinian news agency put the number of dead at 50 it blamed an israeli air strike. 0ur diplomatic correspondent paul adams has the latest from jerusalem.