Hamas threatens to execute hostage Matan Zangauker as IDF troops approach
Another 8 fallen soldiers are being held hostage in Gaza
Alexander's condition described as 'poor' but still said to be smiling upon release
Trump confirms expected release of Edan Alexander: 'A gesture of goodwill'
White House envoy for hostage affairs, Adam Boehler: Efforts are being made to recover the bodies of 4 American hostages