Israel’s defence minister warns that Gaza City will be destroyed unless Hamas yields to Israel’s terms for ending the war.At least 60 Palestinians have been killed in Israeli attacks on Gaza since dawn, medical sources told Al Jazeera, including 36 killed in Gaza City where Israel was escalating attacks in the lead-up to a broader planned offensive.An Israeli air strike hit a school in Sheikh Radwan, a Gaza City neighbourhood where tens of Palestinians were seeking shelter in makeshift tents in the schoolyard. At least 12 civilians were killed in the attack, Gaza’s Ministry of Health said on Friday.Footage circulating on social media and verified by Al Jazeera show an Israeli quadcopter hovering over a building in Sheikh Radwan as neighbours watch anxiously, before it drops an explosive on its target. The video then cuts to footage of smoke rising from the targeted building.Another person was killed by Israeli forces in the Tuffah neighbourhood in Gaza City, a medical source at al-Ahli Hospital told Al Jazeera.Earlier, Israel’s defence minister warned that Gaza’s largest city would be destroyed unless Hamas yielded to Israel’s terms for ending the war.“The gates of hell will soon open on the heads of Hamas’ murderers and rapists in Gaza – until they agree to Israel’s conditions for ending the war,” Israel Katz wrote in a post on X.Katz restated Israel’s ceasefire demands, which include the release of all captiv …