U.S. President Donald Trump's Mideast envoy expressed optimism this week about brokering an agreement to halt the Israel-Hamas war and return more of the hostages captured in the attack that ignited it.

"I have some very good feelings about getting to a long-term resolution — a temporary ceasefire and a long-term resolution, a peaceful resolution of that conflict," Steve Witkoff said in Washington on Wednesday, adding that a new U.S. proposal would soon be delivered to the warring parties.