Israeli strike on northern Gaza’s Jabalia refugee camp kills 22 Al Jazeera EnglishVideo shows injured bodies across hospital floor after strike on school CNNIsraeli Strikes on Northern Gaza Kill at Least 20, Aid Workers Say The New York TimesIsraeli strikes kill 19 people in Gaza, medics say, as tanks push deeper north ReutersMiddle East latest: Dozens killed as Israeli troops pound central and northern Gaza The Associated Press