Israeli airstrikes kill dozens in one of war’s deadliest nights, Gaza officials say ReutersIsrael-Gaza war: Benjamin Netanyahu says Israel paying ‘heavy price’ BBC.comIsrael-Hamas war: List of key events, day 80 Al Jazeera EnglishBattle for Southern Gaza Could Take Months, Israeli Military Says The Wall Street JournalHumanitarian crisis worsens in Gaza as Israel-Hamas war rages CNN