Fighting has resumed with renewed intensity after the week-long truce.
“In this kind of a fight, the centre of gravity is the civilian population,” Lloyd Austin said this weekend.
The British-Palestinian MP said she was "in shock" at their exchange on BBC Question Time.
Israeli fighter jets hit the Palestinian territory minutes after a weeklong truce expired on Friday.
A temporary truce between Israel and Hamas has entered its fifth day.
The uncles of the Vermont shooting victims spoke out about the three Palestinian students who got shot in a possible hate crime.
"Shame on you," Israel's foreign minister hit out at the Irish taoiseach.
“You have destroyed the international rules of the game," MER-C chief Sarbini Abdul Murad wrote as the Indonesian Hospital remains under assault.