Steve Witkoff gave the families a personal commitment that he and President Trump would work to return the remaining hostages.

WASHINGTON—U.S. Middle East envoy Steve Witkoff is set to visit the Gaza Strip on Friday to develop a new aid-distribution plan, the White House said Thursday, part of the Trump administration’s push to alleviate the deepening humanitarian crisis.

Steve Witkoff, the United States special envoy to the Middle East, visited a controversial US-backed aid distribution site in Gaza on Friday, where hundreds of Palestinians have died in recent weeks as they try to access what little food has entered the enclave.