Open this photo in gallery: Palestinians at a site struck by Israeli air strikes in Khan Younis in the southern Gaza Strip on Oct. 14, 2023.STRINGER/Reuters Pressure is growing on U.S. President Joe Biden to help alleviate the escalating humanitarian catastrophe in the Gaza Strip, where Palestinian and foreign civilians are trapped amid a siege and expected ground invasion in Israel’s war with Hamas. Israeli air strikes over the past week have killed more than 2,200 people and reduced city blocks to rubble in retaliation for Hamas’s rampage through southern Israel, which killed more than 1,300 people, mostly civilians, with...