The rejection of the proposal indicates President Trump’s commitment to positions he has staked out on contentious foreign-policy questions.
The corridor includes the Rafah crossing, which was Gaza’s only outlet to the outside world not controlled by Israel until the Israeli army captured the entire corridor last May.
When Israel signed a ceasefire deal with Hamas in Gaza on January 15, the agreement was structured in three phases. Phase one, a six-week period in which Hamas would release hostages in return for Israel releasing Palestinians detained in its jails, ended on March 1.