Israel ramps up attacks on Hamas as troops mass at Gaza border

Israeli troops are building up at the Gaza border, raising the prospect of a ground invasion.
Head of a Jewish campus group reacts to a statement from Harvard students blaming Israel.
The White House says the US is not considering sending troops to the region.
Former US ambassador is speechless about Secretary Blinken's remarks on the conflict.
President criticizes Trump for praising Hezbollah, links it to the Republican Party.