Live: Israel air attack on northern Lebanon kills at least 21 Al Jazeera EnglishIsraeli airstrike kills more than 20 in Christian town in northern Lebanon The GuardianIsrael’s War With Hezbollah Escalates After 21 Killed In Strikes On Lebanon NDTVIsrael military operations against Hezbollah expand to targeting northern Lebanon, kill 18 The Indian ExpressLebanon says 21 killed in air strike in country’s north BBC.com