The meeting focused on the postwar future of the Gaza Strip, where Mr. Trump has mused about removing Palestinian residents and setting up a luxury resort.

The president’s Middle East envoy signaled that the war would be settled before the end of the year, but seemed to rule out a temporary truce.

Former U.K. Prime Minister Tony Blair and former White House advisor Jared Kushner will participate in a White House meeting on Gaza on Wednesday, Axios reported. Neither the…