The faint drum of explosions in the distance.<br/> <br />From a hilltop in Israel, this footage shows ongoing air strikes on the Gaza Strip as Israeli warplanes launch a barrage of bombs and missiles.<br/> <br />At least 10 people have died so far in Gaza, including the head of Hamas' military wing Ahmed al-Jaabari - killed on Wednesday in an air strike on his car.<br/> <br />Launched during a deceptive lull in almost a week of surging cross-border violence, Israel's air assault has an intensity recalling the 2008-2009 Gaza War that left over 1,100 Palestinians dead.<br/> <br />Around a dozen Israelis were killed in that conflict.<br/> <br />Israeli police said more than 80 rockets have been fired from Gaza since Jaabari's death.<br/> <br />But at least three people were killed on Thursday when a rocket landed in southern Israel.<br/> <br />On Wednesday night the UN Security Council held an emergency meeting to discuss Israel's attacks on Gaza, but it took no action.<br/> <br />Israeli Prime Minister Benjamin Netanyahu has warned that he's considering the possibility of sending troops into Gaza as part of a ground assault.