Trump's special envoy said gaining the release of Edan Alexander, believed to be the last living American hostage held by Hamas, was a "top priority."

Boehler described talks with Hamas in Doha as "very helpful," stressing the US has its own interests and is not acting on Israel’s behalf.

Recent meetings in Doha between Hamas leaders and U.S. negotiator Adam Boehler centered around releasing a dual-national hostage, Edan Alexander, held in Gaza. The talks mark a shift in Washington's approach to groups deemed terrorist organizations.

Israeli official says headway made since unprecedented direct discussions between Washington and terror group; US plan said to propose 10 hostages freed for 60-day truce

Israel carried out an air strike in northern Gaza on Sunday, rattling an already fragile ceasefire as fresh talks in Doha are set to take place on Monday. Israel's military said the air strike targeted Hamas terrorists who "were identified operating in proximity to IDF troops and attempting to plant an explosive device in the ground in northern Gaza.

US hostage envoy Adam Boehler tells CNN’s Jake Tapper that his unprecedented meeting with Hamas was “very helpful.”